title: The Identifying Code problem on $P_4$-tidy graphs

abstract:
  In this paper we first analyze the behaviour of the identifying code number
under union and join operations in graphs. This study forced us to analyze
three new parameters related to identifying codes, dominating sets and total
dominating sets of the complementary graph. We obtain closed formulas for these
parameters on spider and quasi-spider graphs. These results easily derive in a
linear dynamic programming-based algorithm for the Identifying Code problem for
$P_4$-tidy graphs.


title: Dipole model analysis of high precision HERA data

abstract:
  We analyse, within a dipole model, the inclusive DIS cross section data,
obtained from the combination of the H1 and ZEUS HERA measurements. We show
that these high precision data are very well described within the dipole model
framework, which is complemented with a valence quark structure functions. We
discuss the properties of the gluon density obtained in this way.


title:
Formation and anisotropic magnetoresistance of Co/Pt nano-contacts
  through aluminum oxide barrier

abstract:
  We report on the observation of anisotropic magnetoresistance (AMR) in
vertical asymmetric nano-contacts (NCs) made through AlO$_x$ nano-oxide layer
(NOL) formed by ion-assisted oxidation method in the film stack of
Co/AlO$_x$-NOL/Pt. Analysis of NC formation was based on \emph{in situ}
conductive atomic force microscopy and transmission electron microscopy.
Depending on the purity of NCs from Al contamination, we observed up to 29% AMR
ratio at room temperature.


title:
Convergence properties of spline-like cardinal interpolation operators
  acting on $l^p$ data

abstract:
  If $f\in \{f\in L^p(\mathbb{R}): f(x)=\int_{-\pi}^{\pi}e^{ix\xi}d\beta(\xi),
\beta\in B.V.([-\pi,\pi]) \}$, then $f$ is determined by its samples on the
integers by taking an appropriate limit. Specifically, $\| f - L_{\phi_\alpha}f
\|_{L^p(\mathbb{R})}\to 0$ as $\alpha\to\infty$ provided that $\{\phi_\alpha:
\alpha\in A\}$ is what we call a spline-like family of cardinal interpolators.


title: Q-operator and fusion relations for $C^{(2)}_q(2)$

abstract:
  The construction of the Q-operator for twisted affine superalgebra
$C^{(2)}_q(2)$ is given. It is shown that the corresponding prefundamental
representations give rise to evaluation modules some of which do not have a
classical limit, which nevertheless appear to be a necessary part of fusion
relations.


title:
Computational Methods in the Fractional Calculus of Variations and
  Optimal Control

abstract:
  The fractional calculus of variations and fractional optimal control are
generalizations of the corresponding classical theories, that allow problem
modeling and formulations with arbitrary order derivatives and integrals.
Because of the lack of analytic methods to solve such fractional problems,
numerical techniques are developed. Here, we mainly investigate the
approximation of fractional operators by means of series of integer-order
derivatives and generalized finite differences. We give upper bounds for the
error of proposed approximations and study their efficiency. Direct and
indirect methods in solving fractional variational problems are studied in
detail. Furthermore, optimality conditions are discussed for different types of
unconstrained and constrained variational problems and for fractional optimal
control problems. The introduced numerical methods are employed to solve some
illustrative examples.


title: Local analytic regularity in the linearized Calder\'on problem

abstract:
  We consider the linearization of the Dirichlet-to-Neumann (DN) map as a
function of the potential. We show that it is injective at a real analytic
potential for measurements made at an open subset of analyticity of the
boundary. More generally, we relate the analyticity up to the boundary of the
variations of the potential to the analyticity of the symbols of the
corresponding variations of the DN-map.


title: Emergence of wave patterns on Kadanoff Sandpiles

abstract:
  Emergence is a concept that is easy to exhibit, but very hard to formally
handle. This paper is about cubic sand grains moving around on nicely packed
columns in one dimension (the physical sandpile is two dimensional, but the
support of sand columns is one dimensional). The Kadanoff Sandpile Model is a
discrete dynamical system describing the evolution of a finite number of
stacked grains --as they would fall from an hourglass-- to a stable
configuration (fixed point). Grains move according to the repeated application
of a simple local rule until reaching a fixed point. The main interest of the
model relies in the difficulty of understanding its behavior, despite the
simplicity of the rule. In this paper we prove the emergence of wave patterns
periodically repeated on fixed points. Remarkably, those regular patterns do
not cover the entire fixed point, but eventually emerge from a seemingly highly
disordered segment. The proof technique we set up associates arguments of
linear algebra and combinatorics, which interestingly allow to formally state
the emergence of regular patterns without requiring a precise understanding of
the chaotic initial segment's dynamic.


title:
Plasmonic Nature of the Terahertz Conductivity Peak in Single-Wall
  Carbon Nanotubes

abstract:
  Plasmon resonance is expected to occur in metallic and doped semiconducting
carbon nanotubes in the terahertz frequency range, but its convincing
identification has so far been elusive. The origin of the terahertz
conductivity peak commonly observed for carbon nanotube ensembles remains
controversial. Here we present results of optical, terahertz, and DC transport
measurements on highly enriched metallic and semiconducting nanotube films. A
broad and strong terahertz conductivity peak appears in both types of films,
whose behaviors are consistent with the plasmon resonance explanation, firmly
ruling out other alternative explanations such as absorption due to
curvature-induced gaps.


title:
Marcel Grossmann and his contribution to the general theory of
  relativity

abstract:
  This article reviews the biography of the Swiss mathematician Marcel
Grossmann (1878-1936) and his contributions to the emergence of the general
theory of relativity. The first part is his biography, while the second part
reviews his collaboration with Einstein in Zurich which resulted in the
Einstein-Grossmann theory of 1913. This theory is a precursor version of the
final theory of general relativity with all the ingredients of that theory
except for the correct gravitational field equations. Their collaboration is
analyzed in some detail with a focus on the question of exactly what role
Grossmann played in it.


title: Beilinson conjecture for finite-dimensional associative algebras

abstract:
  We propose a non-commutative generalization of Beilinson's Conjecture on the
regulator map from algebraic K-theory to Deligne cohomology of algebraic
varieties over Q. We also check a baby case of the generalized conjecture,
namely, the case of finite-dimensional associative algebras.


title: Fermi-Edge Superfluorescence from a Quantum-Degenerate Electron-Hole Gas

abstract:
  We report on the observation of spontaneous bursts of coherent radiation from
a quantum-degenerate gas of nonequilibrium electron-hole pairs in semiconductor
quantum wells. Unlike typical spontaneous emission from semiconductors, which
occurs at the band edge, the observed emission occurs at the quasi-Fermi edge
of the carrier distribution. As the carriers are consumed by recombination, the
quasi-Fermi energy goes down toward the band edge, and we observe a
continuously red-shifting streak. We interpret this emission as cooperative
spontaneous recombination of electron-hole pairs, or superfluorescence, which
is enhanced by Coulomb interactions near the Fermi edge. This novel many-body
enhancement allows the magnitude of the spontaneously developed macroscopic
polarization to exceed the maximum value for ordinary superfluorescence, making
electron-hole superfluorescence even more "super" than atomic
superfluorescence.


title:
A Trust-based Framework for Congestion-aware Energy Efficient Routing in
  Wireless Multimedia Sensor Networks

abstract:
  A new era in wireless sensor network technology has been ushered in through
the introduction of multimedia sensor networks, which has a major bottleneck in
the form of network congestion. Congestion occurs when resources are in high
demand during the active period while the data processing and transmission
speeds lag behind the speed of the incoming traffic. This may disrupt normal
network operations by buffer overflow, packet loss, increased latency,
excessive energy consumption and even worse, a collapse of the entire
operation. In this paper we propose a novel Trust Integrated Congestion-aware
Energy Efficient Routing algorithm (TCEER) in which the potential of a node is
computed using its trust value, congestion status, residual energy, distance
from the current packet-forwarding node and the distance from the base station
using a Fuzzy Logic Controller. The source node selects the node of highest
potential in its one hop radio range for data transmission. Hop by hop data
routing from source to base station is obtained which is light-weight as well
as energy-efficient. Finally, the merits of the proposed scheme are discussed
by comparing it with the existing protocols and the study shows promising
improvements in network performance.


title: Characterizing the dual mixed volume via additive functionals

abstract:
  Integral representations are obtained of positive additive functionals on
finite products of the space of continuous functions (or of bounded Borel
functions) on a compact Hausdorff space. These are shown to yield
characterizations of the dual mixed volume, the fundamental concept in the dual
Brunn-Minkowski theory. The characterizations are shown to be best possible in
the sense that none of the assumptions can be omitted. The results obtained are
in the spirit of a similar characterization of the mixed volume in the
classical Brunn-Minkowski theory, obtained recently by Milman and Schneider,
but the methods employed are completely different.


title:
Ultrafast Generation of Fundamental and Multiple-order Phonon
  Excitations in Highly-Enriched (6,5) Single-Wall Carbon Nanotubes

abstract:
  Using a macroscopic ensemble of highly-enriched (6,5) single-wall carbon
nanotubes, combined with high signal-to-noise ratio, time-dependent
differential transmission spectroscopy, we have generated vibrational modes in
an ultrawide spectral range (10-3000 cm^{-1}). A total of fourteen modes were
clearly resolved and identified, including fundamental modes of A, E1, and E2
symmetries and their combinational modes involving two and three phonons.
Through comparison with CW Raman spectra as well as calculations based on an
extended tight-binding model, we were able to identify all the observed peaks
and determine the frequencies of the individual and combined modes. We provide
a full summary of phonon frequencies for (6,5) nanotubes that can serve as a
basic reference with which to refine our understanding of nanotube phonon
spectra as well as a testbed for new theoretical models.


title:
Clustering using Vector Membership: An Extension of the Fuzzy C-Means
  Algorithm

abstract:
  Clustering is an important facet of explorative data mining and finds
extensive use in several fields. In this paper, we propose an extension of the
classical Fuzzy C-Means clustering algorithm. The proposed algorithm,
abbreviated as VFC, adopts a multi-dimensional membership vector for each data
point instead of the traditional, scalar membership value defined in the
original algorithm. The membership vector for each point is obtained by
considering each feature of that point separately and obtaining individual
membership values for the same. We also propose an algorithm to efficiently
allocate the initial cluster centers close to the actual centers, so as to
facilitate rapid convergence. Further, we propose a scheme to achieve crisp
clustering using the VFC algorithm. The proposed, novel clustering scheme has
been tested on two standard data sets in order to analyze its performance. We
also examine the efficacy of the proposed scheme by analyzing its performance
on image segmentation examples and comparing it with the classical Fuzzy
C-means clustering algorithm.


title: Robust optimization with incremental recourse

abstract:
  In this paper, we consider an adaptive approach to address optimization
problems with uncertain cost parameters. Here, the decision maker selects an
initial decision, observes the realization of the uncertain cost parameters,
and then is permitted to modify the initial decision. We treat the uncertainty
using the framework of robust optimization in which uncertain parameters lie
within a given set. The decision maker optimizes so as to develop the best cost
guarantee in terms of the worst-case analysis. The recourse decision is
``incremental"; that is, the decision maker is permitted to change the initial
solution by a small fixed amount. We refer to the resulting problem as the
robust incremental problem. We study robust incremental variants of several
optimization problems. We show that the robust incremental counterpart of a
linear program is itself a linear program if the uncertainty set is polyhedral.
Hence, it is solvable in polynomial time. We establish the NP-hardness for
robust incremental linear programming for the case of a discrete uncertainty
set. We show that the robust incremental shortest path problem is NP-complete
when costs are chosen from a polyhedral uncertainty set, even in the case that
only one new arc may be added to the initial path. We also address the
complexity of several special cases of the robust incremental shortest path
problem and the robust incremental minimum spanning tree problem.


title:
Elementos de ingenier\'ia de explotaci\'on de la informaci\'on:
  r\'eplica y algunos trazos sobre teor\'ia inform\'atica

abstract:
  A reply to the commentaries of Yana (2013), and some jots on information
theory.


title:
A Trust Based Congestion Aware Hybrid Ant Colony Optimization Algorithm
  for Energy Efficient Routing in Wireless Sensor Networks (TC-ACO)

abstract:
  Congestion is a problem of paramount importance in resource constrained
Wireless Sensor Networks, especially for large networks, where the traffic
loads exceed the available capacity of the resources. Sensor nodes are prone to
failure and the misbehavior of these faulty nodes creates further congestion.
The resulting effect is a degradation in network performance, additional
computation and increased energy consumption, which in turn decreases network
lifetime. Hence, the data packet routing algorithm should consider congestion
as one of the parameters, in addition to the role of the faulty nodes and not
merely energy efficient protocols. Unfortunately most of the researchers have
tried to make the routing schemes energy efficient without considering
congestion factor and the effect of the faulty nodes. In this paper we have
proposed a congestion aware, energy efficient, routing approach that utilizes
Ant Colony Optimization algorithm, in which faulty nodes are isolated by means
of the concept of trust. The merits of the proposed scheme are verified through
simulations where they are compared with other protocols.


title:
A natural-inspired optimization machine based on the annual migration of
  salmons in nature

abstract:
  Bio inspiration is a branch of artificial simulation science that shows
pervasive contributions to variety of engineering fields such as automate
pattern recognition, systematic fault detection and applied optimization. In
this paper, a new metaheuristic optimizing algorithm that is the simulation of
The Great Salmon Run(TGSR) is developed. The obtained results imply on the
acceptable performance of implemented method in optimization of complex non
convex, multi dimensional and multi-modal problems. To prove the superiority of
TGSR in both robustness and quality, it is also compared with most of the well
known proposed optimizing techniques such as Simulated Annealing (SA), Parallel
Migrating Genetic Algorithm (PMGA), Differential Evolutionary Algorithm (DEA),
Particle Swarm Optimization (PSO), Bee Algorithm (BA), Artificial Bee Colony
(ABC), Firefly Algorithm (FA) and Cuckoo Search (CS). The obtained results
confirm the acceptable performance of the proposed method in both robustness
and quality for different bench-mark optimizing problems and also prove the
authors claim.


title: Statistical Approach to Radiation Processes with Heavy Atoms in Plasmas

abstract:
  The new statistical approach for calculation of radiation processes with
heavy multielectron ions in plasma is developed. The method consists in
consideration of atomic structure as a condensed medium, characterized by the
spectrum of elementary excitations with plasma frequency, determined by local
atomic electron density. For instance, the radiation losses in this model are
due to excitation of plasma type oscillations in atom under its collisions with
plasma electrons and have a universal statistical representation for all sorts
of multielectron ions. The calculations of radiation losses on tungsten ions
are performed in the wide range of plasma temperature variation, typical for
physics of high temperature plasma with magnetic confinement. It is shown that
the universal statistical approach results are within the scattering of current
numerical codes data. The proposed statistical method for description of
complex atoms collective excitations for calculations of plasma radiation
losses is of general physical interest and allows to obtain the necessary data
more faster with the lesser computational resources.


title:
Asymptotic Multi-Layer Analysis of Wind Over Unsteady Monochromatic
  Surface Waves

abstract:
  Asymptotic multi-layer analyses and computation of solutions for turbulent
flows over steady and unsteady monochromatic surface wave are reviewed, in the
limits of low turbulent stresses and small wave amplitude. The structure of the
flow is defined in terms of asymptotically-matched thin-layers, namely the
surface layer and a critical layer, whether it is elevated or immersed,
corresponding to its location above or within the surface layer. The results
particularly demonstrate the physical importance of the singular flow features
and physical implications of the elevated critical layer in the limit of the
unsteadiness tending to zero. These agree with the variational mathematical
solution of Miles (1957) for small but finite growth rate, but they are not
consistent physically or mathematically with his analysis in the limit of
growth rate tending to zero. As this and other studies conclude, in the limit
of zero growth rate the effect of the elevated critical layer is eliminated by
finite turbulent diffusivity, so that the perturbed flow and the drag force are
determined by the asymmetric or sheltering flow in the surface shear layer and
its matched interaction with the upper region. But for groups of waves, in
which the individual waves grow and decay, there is a net contribution of the
elevated critical layer to the wave growth. Critical layers, whether elevated
or immersed, affect this asymmetric sheltering mechanism, but in quite a
different way to their effect on growing waves. These asymptotic multi-layer
methods lead to physical insight and suggest approximate methods for analyzing
higher amplitude and more complex flows, such as flow over wave groups.


title: On three-dimensional quasi-St\"ackel Hamiltonians

abstract:
  A three-dimensional integrable generalization of the St\"ackel systems is
proposed. The classification of such systems is obtained which results in two
families. The first one is the direct sum of the two-dimensional case which is
equivalent to the representation of the Schottky--Manakov top in the
quasi-St\"ackel form and a trivial one-dimensional system. The second family is
probably a new three-dimensional system. The system of hydrodynamic type, which
we get from this family in a usual way, is a 3-dimensional generalization of
the Gibbons--Tsarev system. A generalization of the quasi-St\"ackel systems to
the case of any dimension is discussed.


title: Wireless sensor networks localization algorithms: a comprehensive survey

abstract:
  Wireless sensor networks (WSNs) have recently gained a lot of attention by
scientific community. Small and inexpensive devices with low energy consumption
and limited computing resources are increasingly being adopted in different
application scenarios including environmental monitoring, target tracking and
biomedical health monitoring. In many such applications, node localization is
inherently one of the system parameters. Localization process is necessary to
report the origin of events, routing and to answer questions on the network
coverage,assist group querying of sensors. In general, localization schemes are
classified into two broad categories: range-based and range-free. However, it
is difficult to classify hybrid solutions as range-based or range-free. In this
paper we make this classification easy, where range-based schemes and
range-free schemes are divided into two types: fully schemes and hybrid
schemes. Moreover, we compare the most relevant localization algorithms and
discuss the future research directions for wireless sensor networks
localization schemes.


title:
L\'{e}vy processes and stochastic integrals in the sense of generalized
  convolutions

abstract:
  In this paper, we present a comprehensive theory of generalized and weak
generalized convolutions, illustrate it by a large number of examples, and
discuss the related infinitely divisible distributions. We consider L\'{e}vy
and additive process with respect to generalized and weak generalized
convolutions as certain Markov processes, and then study stochastic integrals
with respect to such processes. We introduce the representability property of
weak generalized convolutions. Under this property and the related weak
summability, a stochastic integral with respect to random measures related to
such convolutions is constructed.


title:
Mechanically Detecting and Avoiding the Quantum Fluctuations of a
  Microwave Field

abstract:
  During the theoretical investigation of the ultimate sensitivity of
gravitational wave detectors through the 1970's and '80's, it was debated
whether quantum fluctuations of the light field used for detection, also known
as photon shot noise, would ultimately produce a force noise which would
disturb the detector and limit the sensitivity. Carlton Caves famously answered
this question with "They do." With this understanding came ideas how to avoid
this limitation by giving up complete knowledge of the detector's motion. In
these back-action evading (BAE) or quantum non-demolition (QND) schemes, one
manipulates the required quantum measurement back-action by placing it into a
component of the motion which is unobserved and dynamically isolated. Using a
superconducting, electro-mechanical device, we realize a sensitive measurement
of a single motional quadrature with imprecision below the zero-point
fluctuations of motion, detect both the classical and quantum measurement
back-action, and demonstrate BAE avoiding the quantum back-action from the
microwave photons by 9 dB. Further improvements of these techniques are
expected to provide a practical route to manipulate and prepare a squeezed
state of motion with mechanical fluctuations below the quantum zero-point
level, which is of interest both fundamentally and for the detection of very
weak forces.


title: Study of thermal monopoles in lattice QCD

abstract:
  The properties of the thermal Abelian color-magnetic monopoles in the
maximally Abelian gauge are studied in the vicinity of the
confinement-deconfinement phase transition in the lattice $SU(3)$ gluodynamics
and lattice QCD. We compute the density and interaction parameters of the
thermal monopoles. We find that the density of the thermal monopoles $\rho(T)$
jumps up near the transition temperature $T_c$. Additionally we present new
results on the percolation transition in $SU(3)$ gluodynamics which is known to
coincide in gluodynamics with the confinement-deconfinement phase transition.


title:
Dust Production and Particle Acceleration in Supernova 1987A Revealed
  with ALMA

abstract:
  Supernova (SN) explosions are crucial engines driving the evolution of
galaxies by shock heating gas, increasing the metallicity, creating dust, and
accelerating energetic particles. In 2012 we used the Atacama Large
Millimeter/Submillimeter Array to observe SN 1987A, one of the best-observed
supernovae since the invention of the telescope. We present spatially resolved
images at 450um, 870um, 1.4mm, and 2.8mm, an important transition wavelength
range. Longer wavelength emission is dominated by synchrotron radiation from
shock-accelerated particles, shorter wavelengths by emission from the largest
mass of dust measured in a supernova remnant (>0.2Msun). For the first time we
show unambiguously that this dust has formed in the inner ejecta (the cold
remnants of the exploded star's core). The dust emission is concentrated to the
center of the remnant, so the dust has not yet been affected by the shocks. If
a significant fraction survives, and if SN 1987A is typical, supernovae are
important cosmological dust producers.


title:
Sparse high-dimensional varying coefficient model: non-asymptotic
  minimax study

abstract:
  The objective of the present paper is to develop a minimax theory for the
varying coefficient model in a non-asymptotic setting.
  We consider a high-dimensional sparse varying coefficient model where only
few of the covariates are present and only some of those covariates are time
dependent. Our analysis allows the time dependent covariates to have different
degrees of smoothness and to be spatially inhomogeneous. We develop the minimax
lower bounds for the quadratic risk and construct an adaptive estimator which
attains those lower bounds within a constant (if all time-dependent covariates
are spatially homogeneous) or logarithmic factor of the number of observations.


title: Perfect sampling for infinite server and loss systems

abstract:
  We present the first class of perfect sampling (also known as exact
simulation) algorithms for the steady-state distribution of non-Markovian loss
networks. We use a variation of Dominated Coupling From The Past for which we
simulate a stationary infinite server queue backwards in time and analyze the
running time in heavy traffic. In particular, we are able to simulate
stationary renewal marked point processes in unbounded regions. We use the
infinite server queue as an upper bound process to simulate loss systems. The
running time analysis of our perfect sampling algorithm for loss systems is
performed in the Quality-Driven (QD) and the Quality-and-Efficiency-Driven
regimes. In both cases, we show that our algorithm achieves sub-exponential
complexity as both the number of servers and the arrival rate increase.
Moreover, in the QD regime, our algorithm achieves a nearly optimal rate of
convergence.


title: Thermal Excitations of Warped Membranes

abstract:
  We explore thermal fluctuations of thin planar membranes with a frozen
spatially-varying background metric and a shear modulus. We focus on a special
class of $D$-dimensional ``warped membranes'' embedded in a $d-$dimensional
space with $d\ge D+1$ and a preferred height profile characterized by quenched
random Gaussian variables $\{h_\alpha({\bf q})\}$, $\alpha=D+1,\ldots, d$, in
Fourier space with zero mean and a power law variance $\overline{ h_\alpha({\bf
q}_1) h_\beta({\bf q}_2) } \sim \delta_{\alpha, \beta} \, \delta_{{\bf q}_1,
-{\bf q}_2} \, q_1^{-d_h}$. The case $D=2$, $d=3$ with $d_h = 4$ could be
realized by flash polymerizing lyotropic smectic liquid crystals. For $D <
\max\{4, d_h\}$ the elastic constants are non-trivially renormalized and become
scale dependent. Via a self consistent screening approximation we find that the
renormalized bending rigidity increases for small wavevectors ${{\bf q}}$ as
$\kappa_R \sim q^{-\eta_f}$, while the in-hyperplane elastic constants decrease
according to $\lambda_R,\ \mu_R \sim q^{+\eta_u}$. The quenched background
metric is relevant (irelevant) for warped membranes characterized by exponent
$d_h > 4 - \eta_f^{(F)}$ ($d_h < 4 - \eta_f^{(F)}$), where $\eta_f^{(F)}$ is
the scaling exponent for tethered surfaces with a flat background metric, and
the scaling exponents are related through $\eta_u + \eta_f = d_h - D$ ($\eta_u
+ 2 \eta_f=4-D$).


title:
Light amplification by stimulated emission from an optically pumped
  molecular junction in a scanning tunneling microscope

abstract:
  Here, we introduce and experimentally demonstrate optical amplification and
stimulated emission from a single optically pumped molecular tunneling junction
of a scanning tunneling microscope. The gap between a sharp gold tip and a flat
gold substrate covered with a self-assembled monolayer of
5-chloro-2-mercaptobenzothiazole molecules forms an extremely small optical
gain medium. When electrons tunnel from the molecules highest occupied
molecular orbital to the tip, holes are left behind. These can be repopulated
by hot electrons induced by the laser-driven plasmon oscillation on the metal
surfaces enclosing the cavity. Solving the laser-rate equations for this system
shows that the repopulation process can be efficiently stimulated by the gap
modes near field, TERS scattering from neighboring molecules acting as an
optical seed. Our results demonstrate how optical enhancement inside the
plasmonic cavity can be further increased by a stronger localization via
tunneling through molecules. We anticipate that stimulated emission from an STM
junction will advance our fundamental understanding of quantum plasmonics and
lead to new analytical applications. Furthermore, this concept represents the
basis for novel ultra-small, fast, optically and electronically switchable
devices and could find applications in high-speed signal processing and optical
telecommunications.


title: On Dissemination Time of Random Linear Network Coding in Ad-hoc Networks

abstract:
  Random linear network coding (RLNC) unicast protocol is analyzed over a
rapidly-changing network topology. We model the probability mass function (pmf)
of the dissemination time as a sequence of independent geometric random
variables whose success probability changes with every successful reception of
an innovative packet. We derive a tight approximation of the average networked
innovation probability conditioned on network dimension increase. We show
through simulations that our approximations for the average dissemination time
and its pmf are tight. We then propose to use a RLNC-based broadcast
dissemination protocol over a general dynamic topology where nodes are chosen
for transmission based on average innovative information that they can provided
to the rest of the network. Simulation results show that information
disseminates considerably faster as opposed to standard RLNC algorithm where
nodes are chosen uniformly at random.


title: Domain adaptation for sequence labeling using hidden Markov models

abstract:
  Most natural language processing systems based on machine learning are not
robust to domain shift. For example, a state-of-the-art syntactic dependency
parser trained on Wall Street Journal sentences has an absolute drop in
performance of more than ten points when tested on textual data from the Web.
An efficient solution to make these methods more robust to domain shift is to
first learn a word representation using large amounts of unlabeled data from
both domains, and then use this representation as features in a supervised
learning algorithm. In this paper, we propose to use hidden Markov models to
learn word representations for part-of-speech tagging. In particular, we study
the influence of using data from the source, the target or both domains to
learn the representation and the different ways to represent words using an
HMM.


title: Universal Labeling Algebras as Invariants of Layered Graphs

abstract:
  In this work we will study the universal labeling algebra A(Gamma), a related
algebra B(Gamma), and their behavior as invariants of layered graphs. We will
introduce the notion of an upper vertex-like basis, which allows us to recover
structural information about the graph Gamma from the algebra B(Gamma). We will
use these bases to show that several classes of layered graphs are uniquely
identified by their corresponding algebras B(Gamma).


title: Nonparametric Identification in Panels using Quantiles

abstract:
  This paper considers identification and estimation of ceteris paribus effects
of continuous regressors in nonseparable panel models with time homogeneity.
The effects of interest are derivatives of the average and quantile structural
functions of the model. We find that these derivatives are identified with two
time periods for "stayers", i.e. for individuals with the same regressor values
in two time periods. We show that the identification results carry over to
models that allow location and scale time effects. We propose nonparametric
series methods and a weighted bootstrap scheme to estimate and make inference
on the identified effects. The bootstrap proposed allows uniform inference for
function-valued parameters such as quantile effects uniformly over a region of
quantile indices and/or regressor values. An empirical application to Engel
curve estimation with panel data illustrates the results.


title: Frechet Borel Ideals with Borel orthogonal

abstract:
  We study Borel ideals $I$ on $\mathbb{N}$ with the Fr\'echet property such
its orthogonal $I^\perp$ is also Borel (where $A\in I^\perp$ iff $A\cap B$ is
finite for all $B\in I$ and $I$ is Fr\'echet if $I=I^{\perp\perp}$). Let
$\mathcal{B}$ be the smallest collection of ideals on ${\mathbb{N}}$ containing
the ideal of finite sets and closed under countable direct sums and orthogonal.
All ideals in $\mathcal{B}$ are Fr\'echet, Borel and have Borel orthogonal. We
show that $\mathcal{B}$ has exactly $\aleph_1$ non isomorphic members. The
family $\mathcal{B}$ can be characterized as the collection of all Borel ideals
which are isomorphic to an ideal of the form $I_{wf}\up A$, where $I_{wf}$ is
the ideal on $\mathbb{N}^{<\omega}$ generated by the wellfounded trees. Also,
we show that $A\subseteq \mathbb{Q}$ is scattered iff $WO({\mathbb{Q}})\up A$
is isomorphic to an ideal in $\mathcal{B}$, where $WO(\mathbb{Q})$ is the ideal
of well founded subset of $\mathbb{Q}$.


title: A Simple Proof of the Cayley Formula using Random Graphs

abstract:
  We present a nice result on the probability of a cycle occurring in a
randomly generated graph. We then provide some extensions and applications,
including the proof of the famous Cayley formula, which states that the number
of labeled trees on $n$ vertices is $n^{n-2}.$


title:
The Effect of Inflated Backrest Stiffness on Shearing Loads Estimated
  with Articulated Total Body

abstract:
  In the construction of simulations of rear-end vehicle impacts, the
Articulated Total Body (ATB) software package can be a useful tool. In this
article we discuss the effect of using artificially inflated values for
seat-backrest stiffness in ATB simulations. We will also present methods for
quickly assessing the quality of simulation results. In this connection, we
will discuss the perils of using the default contact-force models that are
included in ATB package releases.


title:
Control interface concepts for CHARA 6-telescope fringe tracking with
  CHAMP+MIRC

abstract:
  Cophasing six telescopes from the CHARA array, the CHARA-Michigan
Phasetracker (CHAMP) and Michigan Infrared Combiner (MIRC) are pushing the
frontiers of infrared long-baseline interferometric imaging in key scientific
areas such as star- and planet-formation. Here we review our concepts and
recent improvements on the CHAMP and MIRC control interfaces, which establish
the communication to the real-time data recording & fringe tracking code,
provide essential performance diagnostics, and assist the observer in the
alignment and flux optimization procedure. For fringe detection and tracking
with MIRC, we have developed a novel matrix approach, which provides
predictions for the fringe positions based on cross-fringe information.


title: New opportunities with spectro-interferometry and spectro-astrometry

abstract:
  Latest-generation spectro-interferometric instruments combine a
milliarcsecond angular resolution with spectral capabilities, resulting in an
immensely increased information content. Here, I present methodological work
and results that illustrate the fundamentally new scientific insights provided
by spectro-interferometry with very high spectral dispersion or in multiple
line transitions (Brackett and Pfund lines). In addition, I discuss some
pitfalls in the interpretation of spectro-interferometric data. In the context
of our recent studies on the classical Be stars {\beta} CMi and {\zeta} Tau, I
present the first position-velocity diagram obtained with optical
interferometry and provide a physical interpretation for a phase inversion,
which has in the meantime been observed for several classical Be-stars. In the
course of our study on the Herbig B[e] star V921 Sco, we combined, for the
first time, spectro-interferometry and spectro-astrometry, providing a powerful
and resource-efficient way to constrain the spatial distribution as well as the
kinematics of the circumstellar gas with an unprecedented velocity resolution
up to R = {\lambda}/{\Delta}{\lambda} = 100,000. Finally, I discuss our phase
sign calibration procedure, which has allowed us to calibrate AMBER
differential phases and closure phases for all spectral modes, and derive from
the gained experience science-driven requirements for future instrumentation
projects.


title: The Planck and LHC results and particle physics

abstract:
  I will discuss the recent LHC and Planck results, which are completely
compatible with the Standard Model of particle physics, and the standard
cosmological model ($\Lambda$CDM), respectively. It turns out that the
extension of the Standard Model is, of course, required, but can be very
minimal. I will discuss also what future measurements may be important to test
this approach.


title:
Trees and co-trees with constant maximum degree in planar 3-connected
  graphs

abstract:
  This paper considers the conjecture by Gr\"unbaum that every planar
3-connected graph has a spanning tree $T$ such that both $T$ and its co-tree
have maximum degree at most 3. Here, the co-tree of $T$ is the spanning tree of
the dual obtained by taking the duals of the non-tree edges. While Gr\"unbaum's
conjecture remains open, we show that every planar 3-connected graph has a
spanning tree $T$ such that both $T$ and its co-tree have maximum degree at
most 5. It can be found in linear time.


title:
Energy loss of charm quarks from $J/\psi$ production in cold nuclear
  matter

abstract:
  $J/\psi$ suppression in p-A collisions is studied by considering the nuclear
effects on parton distribution, energy loss of beam proton and the finial state
energy loss of color octet $c\overline{c}$. The leading-order computations for
$J/\psi$ production cross-section ratios $R_{W/Be}(x_{F})$ are presented and
compared with the selected E866 experimental data with the $c\overline{c}$
remaining colored on its entire path in the medium. It is shown that the
combination of the different nuclear effects accounts quite well for the
observed $J/\psi$ suppression in the experimental data. It is found that the
$J/\psi$ suppression on $R_{W/Be}(x_{F})$ from the initial state nuclear
effects is more important than that induced by the energy loss of color octet
$c\overline{c}$ in the large $x_F$ region. Whether the $c\overline{c}$ pair
energy loss is linear or quadratic with the path length is not determined. The
obtained $c\overline{c}$ pair energy loss per unit path length
$\alpha=2.78\pm0.81$ GeV/fm, which indicates that the heavy quark in cold
nuclear matter can lose more energy compared to the outgoing light quark.


title:
$f(T)$ gravity: effects on astronomical observation and Solar System
  experiments and upper-bounds

abstract:
  As an extension of a previous work in which perihelion advances are
considered only and as an attempt to find more stringent constraints on its
parameters, we investigate effects on astronomical observation and experiments
conducted in the Solar System due to the $f(T)$ gravity which contains a
quadratic correction of $\alpha T^2$ ($\alpha$ is a model parameter) and the
cosmological constant $\Lambda$. Using a spherical solution describing the
Sun's gravitational field, the resulting secular evolution of planetary orbital
motions, light deflection, gravitational time delay and frequency shift are
calculated up to the leading contribution. Among them, we find qualitatively
that the light deflection holds a unique bound on $\alpha$, without dependence
on $\Lambda$, and the time delay experiments during inferior conjunction impose
a clean constraint on $\Lambda$, regardless of $\alpha$. Based on observation
and experiments, especially the supplementary advances in the perihelia
provided by the INPOP10a ephemeris, we obtain the upper-bounds quantitatively:
$|\alpha| \le 1.2 \times 10^{2}$ m${}^2$ and $ |\Lambda| \le 1.8 \times
10^{-43}$ m${}^{-2}$, at least 10 times tighter than the previous result.


title: High-rate quantum cryptography in untrusted networks

abstract:
  We extend the field of continuous-variable quantum cryptography to a network
formulation where two honest parties connect to an untrusted relay by insecure
quantum links. To generate secret correlations, they transmit coherent states
to the relay where a continuous-variable Bell detection is performed and the
outcome broadcast. Even though the detection could be fully corrupted and the
links subject to optimal coherent attacks, the honest parties can still extract
a secret key, achieving high rates when the relay is proximal to one party, as
typical in public networks with access points or proxy servers. Our theory is
confirmed by an experiment generating key-rates which are orders of magnitude
higher than those achievable with discrete-variable protocols. Thus, using the
cheapest possible quantum resources, we experimentally show the possibility of
high-rate quantum key distribution in network topologies where direct links are
missing between end-users and intermediate relays cannot be trusted.

categories: quant-ph math-ph math.MP physics.data-an physics.optics


title: Focus Point from Direct Gauge Mediation

abstract:
  This paper is devoted to reconcile the tension between theoretic expectation
from naturalness and the present LHC limits on superpartner mass bounds. We
argue that in SUSY models of direct gauge mediation the focusing phenomenon
appears, which dramatically reduces the fine tuning associated to 126 GeV Higgs
boson. This type of model is highly predictive in mass spectrum, with multi-TeV
third generation, $A_t$ term of order 1 TeV, gluino mass above LHC mass bound,
and light neutralinos and charginos beneath 1 TeV.


title:
Auditory Brain-Computer Interface Paradigm with Head Related Impulse
  Response-based Spatial Cues

abstract:
  The aim of this study is to provide a comprehensive test of head related
impulse response (HRIR) for an auditory spatial speller brain-computer
interface (BCI) paradigm. The study is conducted with six users in an
experimental set up based on five Japanese hiragana vowels. Auditory evoked
potentials resulted with encouragingly good and stable "aha-" or P300-responses
in real-world online BCI experiments. Our case study indicated that the
auditory HRIR spatial sound reproduction paradigm could be a viable alternative
to the established multi-loudspeaker surround sound BCI-speller applications,
as far as healthy pilot study users are concerned.


title: The al function of a cyclic trigonal curve of genus three

abstract:
  A cyclic trigonal curve of genus three is a $\mathbb{Z}_3$ Galois cover of
$\mathbb{P}^1$, therefore can be written as a smooth plane curve with equation
$y^3 = f(x) =(x - b_1) (x - b_2) (x - b_3) (x - b_4)$. Following Weierstrass
for the hyperelliptic case, we define an ``$\mathrm{al}$'' function for this
curve and $\mathrm{al}^{(c)}_r$, $c=0,1,2$, for each one of three particular
covers of the Jacobian of the curve, and $r=1,2,3,4$ for a finite branchpoint
$(b_r,0)$. This generalization of the Jacobi $\mathrm{sn}$, $\mathrm{cn}$,
$\mathrm{dn}$ functions satisfies the relation: $$ \sum_{r=1}^4
\frac{\prod_{c=0}^2\mathrm{al}_r^{(c)}(u)}{f'(b_r)} = 1 $$ which generalizes
$\mathrm{sn}^2u + \mathrm{cn}^2u = 1$. We also show that this can be viewed as
a special case of the Frobenius theta identity.


title: A MapReduce based distributed SVM algorithm for binary classification

abstract:
  Although Support Vector Machine (SVM) algorithm has a high generalization
property to classify for unseen examples after training phase and it has small
loss value, the algorithm is not suitable for real-life classification and
regression problems. SVMs cannot solve hundreds of thousands examples in
training dataset. In previous studies on distributed machine learning
algorithms, SVM is trained over a costly and preconfigured computer
environment. In this research, we present a MapReduce based distributed
parallel SVM training algorithm for binary classification problems. This work
shows how to distribute optimization problem over cloud computing systems with
MapReduce technique. In the second step of this work, we used statistical
learning theory to find the predictive hypothesis that minimize our empirical
risks from hypothesis spaces that created with reduce function of MapReduce.
The results of this research are important for training of big datasets for SVM
algorithm based classification problems. We provided that iterative training of
split dataset with MapReduce technique; accuracy of the classifier function
will converge to global optimal classifier function's accuracy in finite
iteration size. The algorithm performance was measured on samples from letter
recognition and pen-based recognition of handwritten digits dataset.


title: Separated presentations of modules over pullback rings

abstract:
  We define pullback and separated presentations of modules over pullback
rings, and, if the ring is a pullback of epimorphisms over a semisimple ring,
an algorithm reducing such a presentation of a module to an $R$-diagram. The
latter is the input for a classification algorithm of finitely generated
modules over a pullback ring of two Dedekind domains. As an example we show how
to obtain an $R$-diagram for homology of a chain complex of free modules over a
$p$-pullback ring.


title: On transversals of quasialgebraic families of sets

abstract:
  The main results of this paper are generalizations some classical theorems
about transversals for families of finite sets to some cases of families of
infinite sets.


title: New Results from RENO

abstract:
  RENO (Reactor Experiment for Neutrino Oscillation) is an experiment dedicated
to measure the smallest neutrino mixing angle {\theta}_13 using reactor
neutrinos in Korea. Our first result measured in 2012 using about 220 live days
of data showed non-zero {\theta}_13 value with 4.9 {\sigma} significance. In
March 2013 we updated our first result with improvements in both statistical
and systematic errors using 403 live days of data. The measured value using
rate-only analysis is sin^2(2{\theta}_13) = 0.100 +/- 0.010 (stat) +/- 0.015
(sys.) corresponding to 6.3 {\sigma} significance. RENO has been taking data
almost continuously since August 2011 and we have reached more than 800 live
days of data that is currently being analyzed.


title: Integrality of relative BPS state counts of toric Del Pezzo surfaces

abstract:
  Relative BPS state counts for log Calabi-Yau surface pairs were introduced by
Gross-Pandharipande-Siebert and conjectured by the authors to be integers. For
toric Del Pezzo surfaces, we provide an arithmetic proof of this conjecture, by
relating these invariants to the local BPS state counts of the surfaces. The
latter were shown to be integers by Peng; and more generally for toric
Calabi-Yau threefolds by Konishi.


title:
Lessons Learned from Development of a Software Tool to Support Academic
  Advising

abstract:
  We detail some lessons learned while designing and testing a
decision-theoretic advising support tool for undergraduates at a large state
university. Between 2009 and 2011 we conducted two surveys of over 500 students
in multiple majors and colleges. These surveys asked students detailed
questions about their preferences concerning course selection, advising, and
career paths. We present data from this study which may be helpful for faculty
and staff who advise undergraduate students. We find that advising support
software tools can augment the student-advisor relationship, particularly in
terms of course planning, but cannot and should not replace in-person advising.


title: EGuaranteeNash for Boolean Games is NEXP-Hard

abstract:
  Boolean games are an expressive and natural formalism through which to
investigate problems of strategic interaction in multiagent systems. Although
they have been widely studied, almost all previous work on Nash equilibria in
Boolean games has focused on the restricted setting of pure strategies. This is
a shortcoming as finite games are guaranteed to have at least one equilibrium
in mixed strategies, but many simple games fail to have pure strategy
equilibria at all. We address this by showing that a natural decision problem
about mixed equilibria: determining whether a Boolean game has a mixed strategy
equilibrium that guarantees every player a given payoff, is NEXP-hard.
Accordingly, the $\epsilon$ variety of the problem is NEXP-complete. The proof
can be adapted to show coNEXP-hardness of a similar question: whether all Nash
equilibria of a Boolean game guarantee every player at least the given payoff.


title: Quantum Effects near Charged Dilatonic Black Holes

abstract:
  The expectation value $\langle\varphi^2\rangle$ in the Hartle-Hawking vacuum
is calculated for minimally-coupled neutral scalar fields at the horizon of a
charged dilatonic black hole.


title:
Quantum Algorithm to Solve a Maze: Converting the Maze Problem into a
  Search Problem

abstract:
  We propose a different methodology towards approaching a Maze problem. We
convert the problem into a Quantum Search Problem (QSP), and its solutions are
sought for using the iterative Grover's Search Algorithm. Though the category
of mazes we are looking at are of the NP complete class, we have redirected
such a NP complete problem into a QSP. Our solution deals with two dimensional
perfect mazes with no closed loops. We encode all possible individual paths
from the starting point of the maze into a quantum register. A quantum fitness
operator applied on the register encodes each individual with its fitness
value. We propose an oracle design which marks all the individuals above a
certain fitness value and use the Grover search algorithm to find one of the
marked states. Iterating over this method, we approach towards the optimum
solution.


title:
Precision measurement of transverse velocity distribution of a strontium
  atomic beam

abstract:
  We measure the transverse velocity distribution in a thermal Sr atomic beam
precisely by velocity-selective saturated fluorescence spectroscopy. The use of
an ultrastable laser system and the narrow intercombination transition line of
Sr atoms mean that the resolution of the measured velocity can reach 0.13 m/s,
corresponding to 90$\mu K$ in energy units. The experimental results are in
very good agreement with the results of theoretical calculations. Based on the
spectroscopic techniques used here, the absolute frequency of the
intercombination transition of $^{88}$Sr is measured using an optical-frequency
comb generator referenced to the SI second through an H maser, and is given as
434 829 121 318(10) kHz.


title:
Interpretation of the Cosmological Constant Problem within the Framework
  of Generalized Uncertainty Principle

abstract:
  We propose an improved exponential Generalized Uncertainty Principle (GUP) by
introducing a positive integer $n$ called the suppressing index. Due to the
UV/IR mixing brought by the GUP, the states with momenta smaller than the
critical momentum ($P < P_{\rm Crit}$) are canceled by the states with momenta
larger than the critical momentum ($P > P_{\rm Crit}$) and thus have no
contributions to the energy density of the vacuum. By considering the
contributions just from the states with momenta larger than the critical
momentum ($P > P_{\rm Crit}$) and choosing a suitable suppressing index, $n
\sim 10^{123}$, we calculate the cosmological constant consistent with the
experimentally observed value.


title: Busemann functions and barrier functions

abstract:
  We show that Busemann functions on a smooth, non-compact, complete,
boundaryless, connected Riemannian manifold are viscosity solutions with
respect to the Hamilton-Jacobi equation determined by the Riemannian metric and
consequently they are locally semi-concave with linear modulus. We also
analysis the structure of singularity sets of Busemann functions. Moreover we
study barrier functions, which are analogues to Mather's barrier functions in
Mather theory, and provide some fundamental properties. Based on barrier
functions, we could define some relations on the set of lines and thus classify
them. We also discuss some initial relations with the ideal boundary of the
Riemannian manifold.


title:
Investigating the hard X-ray emission from the hottest Abell cluster
  A2163 with Suzaku

abstract:
  We present the results from Suzaku observations of the hottest Abell galaxy
cluster A2163 at $z=0.2$. To study the physics of gas heating in cluster
mergers, we investigated hard X-ray emission from the merging cluster A2163,
which hosts the brightest synchrotron radio halo. We analyzed hard X-ray
spectra accumulated from two-pointed Suzaku observations. Non-thermal hard
X-ray emission should result from the inverse Compton (IC) scattering of
relativistic electrons by the CMB photons. To measure this emission, the
dominant thermal emission in the hard X-ray band must be modeled in detail. To
this end, we analyzed the combined broad-band X-ray data of A2163 collected by
Suzaku and XMM-Newton, assuming single- and multi-temperature models for
thermal emission and the power-law model for non-thermal emission. From the
Suzaku data, we detected significant hard X-ray emission from A2163 in the
12-60 keV band at the $28\sigma$ level (or at the $5.5\sigma$ level if a
systematic error is considered). The Suzaku HXD spectrum alone is consistent
with the single-T thermal model of gas temperature $kT=14$ keV. From the XMM
data, we constructed a multi-T model including a very hot ($kT=18$ keV)
component in the NE region. Incorporating the multi-T and the power-law models
into a two-component model with a radio-band photon index, the 12-60 keV energy
flux of non-thermal emission is constrained within $5.3 \pm 0.9 (\pm 3.8)\times
10^{-12}~{\rm erg\, s^{-1} cm^{-2}}$. The 90% upper limit of detected IC
emission is marginal ($< 1.2\times 10^{-11}~{\rm erg\, s^{-1} cm^{-2}}$ in the
12-60 keV). The estimated magnetic field in A2163 is $B > 0.098~{\rm \mu G}$.
While the present results represent a three-fold increase in the accuracy of
the broad band spectral model of A2163, more sensitive hard X-ray observations
are needed to decisively test for the presence of hard X-ray emission due to IC
emission.


title: Pre-symplectic structures on the space of connections

abstract:
  Let X be a four-manifold with boundary three manifold M. We shall describe
(i) a pre-symplectic structure on the space of connections of the trivial
SU(n)-bundle over X that comes from the canonical symplectic structure on the
cotangent bundle of the connection space, and (ii) a pre-symplectic structure
on the space of flat connections of the trivial SU(n)-bundle over M that have
null charge. These two structures are related by the boundary restriction map.
We discuss also the Hamiltonian feature of the space of connections with the
action of the group of gauge transformations.


title: Diffractons: solitary waves created by diffraction in periodic media

abstract:
  A new class of solitary waves arises in the solution of nonlinear wave
equations with constant impedance and no dispersive terms. They depend on a
balance between nonlinearity and a dispersion-like effect due to spatial
variation in the sound speed of the medium. A high-order homogenized model
confirms this effective dispersive behavior and its solutions agree well with
those obtained by direct simulation of the variable-coefficient system. These
waves are observed to be long-time stable, globally attracting solutions that
arise in general as solutions to nonlinear wave problems with
periodically-varying sound speed. They share some properties with known classes
of solitary waves, but possess important differences as well.


title:
The Stochastic First Integrals, Kernel Functions for Integral Invariants
  and the Kolmogorov equations

abstract:
  In this article we present the stochastic first integrals (SFI), the
generalized It\^o-Wentzell formula and its application for obtaining the
equations for SFI, for kernel functions for integral invariants and the
Kolmogorov equations, described by the generalized It\^o equations.


title: A robust Iris recognition method on adverse conditions

abstract:
  As a stable biometric system, iris has recently attracted great attention
among the researchers. However, research is still needed to provide appropriate
solutions to ensure the resistance of the system against error factors. The
present study has tried to apply a mask to the image so that the unexpected
factors affecting the location of the iris can be removed. So, pupil
localization will be faster and robust. Then to locate the exact location of
the iris, a simple stage of boundary displacement due to the Canny edge
detector has been applied. Then, with searching left and right IRIS edge point,
outer radios of IRIS will be detect. Through the process of extracting the iris
features, it has been sought to obtain the distinctive iris texture features by
using a discrete stationary wavelets transform 2-D (DSWT2). Using DSWT2 tool
and symlet 4 wavelet, distinctive features are extracted. To reduce the
computational cost, the features obtained from the application of the wavelet
have been investigated and a feature selection procedure, using similarity
criteria, has been implemented. Finally, the iris matching has been performed
using a semi-correlation criterion. The accuracy of the proposed method for
localization on CASIA-v1, CASIA-v3 is 99.73%, 98.24% and 97.04%, respectively.
The accuracy of the feature extraction proposed method for CASIA3 iris images
database is 97.82%, which confirms the efficiency of the proposed method.


title:
Model Counting of Query Expressions: Limitations of Propositional
  Methods

abstract:
  Query evaluation in tuple-independent probabilistic databases is the problem
of computing the probability of an answer to a query given independent
probabilities of the individual tuples in a database instance. There are two
main approaches to this problem: (1) in `grounded inference' one first obtains
the lineage for the query and database instance as a Boolean formula, then
performs weighted model counting on the lineage (i.e., computes the probability
of the lineage given probabilities of its independent Boolean variables); (2)
in methods known as `lifted inference' or `extensional query evaluation', one
exploits the high-level structure of the query as a first-order formula.
Although it is widely believed that lifted inference is strictly more powerful
than grounded inference on the lineage alone, no formal separation has
previously been shown for query evaluation. In this paper we show such a formal
separation for the first time.
  We exhibit a class of queries for which model counting can be done in
polynomial time using extensional query evaluation, whereas the algorithms used
in state-of-the-art exact model counters on their lineages provably require
exponential time. Our lower bounds on the running times of these exact model
counters follow from new exponential size lower bounds on the kinds of d-DNNF
representations of the lineages that these model counters (either explicitly or
implicitly) produce. Though some of these queries have been studied before, no
non-trivial lower bounds on the sizes of these representations for these
queries were previously known.


title: Aperiodic tilings and entropy

abstract:
  In this paper we present a construction of Kari-Culik aperiodic tile set -
the smallest known until now. With the help of this construction, we prove that
this tileset has positive entropy. We also explain why this result was not
expected.


title:
A Hybrid Approach for Co-Channel Speech Segregation based on CASA, HMM
  Multipitch Tracking, and Medium Frame Harmonic Model

abstract:
  This paper proposes a hybrid approach for co-channel speech segregation. HMM
(hidden Markov model) is used to track the pitches of 2 talkers. The resulting
pitch tracks are then enriched with the prominent pitch. The enriched tracks
are correctly grouped using pitch continuity. Medium frame harmonics are used
to extract the second pitch for frames with only one pitch deduced using the
previous steps. Finally, the pitch tracks are input to CASA (computational
auditory scene analysis) to segregate the mixed speech. The center frequency
range of the gamma tone filter banks is maximized to reduce the overlap between
the channels filtered for better segregation. Experiments were conducted using
this hybrid approach on the speech separation challenge database and compared
to the single (non-hybrid) approaches, i.e. signal processing and CASA. Results
show that using the hybrid approach outperforms the single approaches.


title:
Strong gravitational lensing in a rotating Kaluza-Klein black hole with
  squashed horizons

abstract:
  We have investigated the strong gravitational lensing in a rotating squashed
Kaluza-Klein (KK) black hole spacetime. Our result show that the strong
gravitational lensings in the rotating squashed KK black hole spacetime have
some distinct behaviors from those in the backgrounds of the four-dimensional
Kerr black hole and of the squashed KK G\"{o}del black hole. In the rotating
squashed KK black hole spacetime, the marginally circular photon radius
$\rho_{ps}$, the coefficient $\bar{a}$, $\bar{b}$, the deflection angle
$\alpha(\theta)$ in the $\phi$ direction and the corresponding observational
variables are independent of whether the photon goes with or against the
rotation of the background, which is different with those in the usual
four-dimensional Kerr black hole spacetime. Moreover, we also find that with
the increase of the scale of extra dimension $\rho_0$, the marginally circular
photon radius $\rho_{ps}$ and the angular position of the relativistic images
$\theta_\infty$ first decreases and then increases in the rotating squashed KK
black hole for fixed rotation parameter $b$, but in the squashed KK G\"{o}del
black hole they increase for the smaller global rotation parameter $j$ and
decrease for the larger one. In the extremely squashed case $\rho_0=0$, the
coefficient $\bar{a}$ in the rotating squashed KK black hole increases
monotonously with the rotation parameter, but in the squashed KK G\"{o}del
black hole it is a constant and independent of the global rotation of the
G\"{o}del Universe.


title: Vortices in the two-dimensional dipolar Bose gas

abstract:
  We present vortex solutions for the homogeneous two-dimensional Bose-Einstein
condensate featuring dipolar atomic interactions, mapped out as a function of
the dipolar interaction strength (relative to the contact interactions) and
polarization direction. Stable vortex solutions arise in the regimes where the
fully homogeneous system is stable to the phonon or roton instabilities. Close
to these instabilities, the vortex profile differs significantly from that of a
vortex in a nondipolar quantum gas, developing, for example, density ripples
and an anisotropic core. Meanwhile, the vortex itself generates a mesoscopic
dipolar potential which, at distance, scales as 1/r^2 and has an angular
dependence which mimics the microscopic dipolar interaction.


title: Ionic effects in self-propelled Pt-coated Janus swimmers

abstract:
  Colloidal particles partially coated with platinum and dispersed in H2O2
solution are often used as model self-propelled colloids. Most current data
suggest that neutral self-diffusiophoresis propels these particles. However,
several studies have shown strong ionic effects in this and related systems,
such as a reduction of propulsion speed by salt. We investigate these ionic
effects in Pt-coated polystyrene colloids, and find here that the direction of
propulsion can be reversed by addition of an ionic surfactant, and that
although adding pH neutral salts reduces the propulsion speed, adding the
strong base NaOH has little effect. We use these data, as well as measured
reaction rates, to argue against propulsion by either neutral or ionic
self-diffusiophoresis, and suggest instead that the particle's propulsion
mechanism may in fact bear close resemblance to that operative in bimetallic
swimmers.


title:
Transience and recurrence of a Brownian path with limited local time and
  its repulsion envelope

abstract:
  In this note we investigate the behaviour of Brownian motion conditioned on a
growth constraint of its local time which has been previously investigated by
Berestycki and Benjamini. For a class of non-decreasing positive functions
$f(t); t>0$, we consider the Wiener measure under the condition that the
Brownian local time is dominated by the function f up to time T. In the case
where $f(t)/t^{3/2}$ is integrable we describe the limiting process as T goes
to infinity. Moreover, we prove two conjectures in [BB10] in the case for a
class of functions f, for which $f(t)/t^{3/2}$ just fails to be integrable. Our
methodology is more general as it relies on the study of the asymptotic of the
probability of subordinators to stay above a given curve. Immediately or with
adaptations one can study questions like the Brownian motioned conditioned on a
growth constraint of its local time at the maximum or more generally a Levy
process conditioned on a growth constraint of its local time at the maximum or
at zero. We discuss briefly the former.


title: An introduction to synchronous self-learning Pareto strategy

abstract:
  In last decades optimization and control of complex systems that possessed
various conflicted objectives simultaneously attracted an incremental interest
of scientists. This is because of the vast applications of these systems in
various fields of real life engineering phenomena that are generally multi
modal, non convex and multi criterion. Hence, many researchers utilized
versatile intelligent models such as Pareto based techniques, game theory
(cooperative and non cooperative games), neuro evolutionary systems, fuzzy
logic and advanced neural networks for handling these types of problems. In
this paper a novel method called Synchronous Self Learning Pareto Strategy
Algorithm (SSLPSA) is presented which utilizes Evolutionary Computing (EC),
Swarm Intelligence (SI) techniques and adaptive Classical Self Organizing Map
(CSOM) simultaneously incorporating with a data shuffling behavior.
Evolutionary Algorithms (EA) which attempt to simulate the phenomenon of
natural evolution are powerful numerical optimization algorithms that reach an
approximate global maximum of a complex multi variable function over a wide
search space and swarm base technique can improved the intensity and the
robustness in EA. CSOM is a neural network capable of learning and can improve
the quality of obtained optimal Pareto front. To prove the efficient
performance of proposed algorithm, authors utilized some well known benchmark
test functions. Obtained results indicate that the cited method is best suit in
the case of vector optimization.


title:
On the ergodic theory of free group actions by real-analytic circle
  diffeomorphisms

abstract:
  We consider finitely generated groups of real-analytic circle
diffeomorphisms. We show that if such a group admits an exceptional minimal set
(i.e., a minimal invariant Cantor set), then its Lebesgue measure is zero;
moreover, there are only finitely many orbits of connected components of its
complement. For the case of minimal actions, we show that if the underlying
group is (algebraically) free, then the action is ergodic with respect to the
Lebesgue measure. This provides first answers to questions due to \'E. Ghys, G.
Hector and D. Sullivan.


title: The Generation of Minimal Tests Sets and Some Minimal Tests

abstract:
  The method for a problem solution of expenditures reduction of computing
resources and time is developed at a pattern recognition, with the way of
construction of the minimum tests sets or separate minimum tests on Boolean
matrixes is suggested


title:
An extension of Motzkin-Straus Theorem to non-uniform hypergraphs and
  its applications

abstract:
  In 1965, Motzkin and Straus established a remarkable connection between the
order of a maximum clique and the Lagrangian of a graph and provided a new
proof of Tur\'an's theorem using the connection. The connection of Lagrangians
and Tur\'{a}n densities can be also used to prove the fundamental theorem of
Erd\"{o}s-Stone-Simonovits on Tur\'{a}n densities of graphs. Very recently, the
study of Tur\'{a}n densities of non-uniform hypergraphs have been motivated by
extremal poset problems. In this paper, we attempt to explore the applications
of Lagrangian method in determining Tur\'{a}n densities of non-uniform
hypergraphs. We first give a definition of the Lagrangian of a non-uniform
hypergraph, then give an extension of Motzkin-Straus theorem to non-uniform
hypergraphs whose edges contain 1 or 2 vertices. Applying it, we give an
extension of Erd\"{o}s-Stone-Simonovits theorem to non-uniform hypergraphs
whose edges contain 1 or 2 vertices.


title:
Percolating Plastic Failure as a Mechanism for Shear Softening in
  Amorphous Solids

abstract:
  ``Shear softening" refers to the observed reduction in shear modulus when the
stress on an amorphous solid is increased beyond the initial linear region.
Careful numerical quasi-static simulations reveal an intimate relation between
plastic failure and shear softening. The attaintment of the steady-state value
of the shear modulus associated with plastic flow is identified with a
percolation of the regions that underwent a plastic event. We present an
elementary ``two-state" model that interpolates between failed and virgin
regions and provides a simple and effective characterization of the shear
softening.


title: Quasisolution of the inverse 3D aerohydrodynamics problem

abstract:
  In the article we generalise the quasisolution approach to the planar
aerohydrodynamics problems to 3D case. We search for solution in the form of
the linear spline.


title: Lagrangian approach in spin-oscillations problem

abstract:
  Lagrangian of electronic liquid in magneto-inhomogeneous micro-conductor has
been constructed. A corresponding Euler-Lagrange equation has been solved. It
was shown that the described system has eigenmodes of spin polarization and
total electric current oscillations. The suggested approach permits to study
the spin dynamics in an open-circuit which contains capacitance and/or
inductivity.


title:
Towards slime mould colour sensor: Recognition of colours by Physarum
  polycephalum

abstract:
  Acellular slime mould Physarum polycephalum is a popular now user-friendly
living substrate for designing of future and emergent sensing and computing
devices. P. polycephalum exhibits regular patterns of oscillations of its
surface electrical potential. The oscillation patterns are changed when the
slime mould is subjected to mechanical, chemical, electrical or optical
stimuli. We evaluate feasibility of slime-mould based colour sensors by
illuminating Physarum with red, green, blue and white colours and analysing
patterns of the slime mould's electrical potential oscillations. We define that
the slime mould recognises a colour if it reacts to illumination with the
colour by a unique changes in amplitude and periods of oscillatory activity. In
laboratory experiments we found that the slime mould recognises red and blue
colour. The slime mould does not differentiate between green and white colours.
The slime mould also recognises when red colour is switched off. We also map
colours to diversity of the oscillations: illumination with a white colour
increases diversity of amplitudes and periods of oscillations, other colours
studied increase diversity either of amplitude or period.


title:
The Jacobi identity for graded-commutative variational Schouten bracket
  revisited

abstract:
  This short note contains an explicit proof of the Jacobi identity for
variational Schouten bracket in $Z_2$-graded commutative setup. For the
reasoning to be rigorous, it refers to the product bundle geometry of iterated
variations (see arXiv:1312.1262 [math-ph]); no ad hoc regularizations occur
anywhere in this theory.


title: Hyperspaces of convex bodies of constant width

abstract:
  Let n be a natural number equal or greater than 2. In this paper we study the
topological structure of certain hyperspaces of convex subsets of constant
width, equipped with the Hausdorff metric topology. We focus our attention on
the hyperspace cw_D(R^n) of all compact convex subsets with constant width d\in
D, where D is a convex subset of [0,\infty). Our main result states that
cw_D(R^n) is homeomorphic to D\times R^n\times Q, where Q denotes the Hilbert
cube. We also prove that the hyperspace crw_D(R^n), consisting of all pairs of
compact convex sets of constant relative width d\in D is homeomorphic to
cw_D(R^n). In particular, we prove that the hyperspace cw(R^n) of all compact
convex bodies of constant width, as well as the hyperspace crw(R^n) of all
pairs of compact convex sets of constant relative positive width are
homeomorphic to R^{n+1}\times Q.


title:
Interacting hard rods on a lattice: Distribution of microstates and
  density functionals

abstract:
  We derive exact density functionals for systems of hard rods with
first-neighbor interactions of arbitrary shape but limited range on a
one-dimensional lattice. The size of all rods is the same integer unit of the
lattice constant. The derivation, constructed from conditional probabilities in
a Markov chain approach, yields the exact joint probability distribution for
the positions of the rods as a functional of their density profile. For contact
interaction ("sticky core model") between rods we give a lattice fundamental
measure form of the density functional and present explicit results for contact
correlators, entropy, free energy, and chemical potential. Our treatment
includes inhomogeneous couplings and external potentials.


title: Lorentz-symmetry violation and dynamical flavour oscillations

abstract:
  We show how a mass mixing matrix can be generated dynamically, for two
massless fermion flavours coupled to a Lorentz invariance violating (LIV) gauge
field. The LIV features play the role of a regulator for the gap equations, and
the non-analytic dependence of the dynamical masses, as functions of the gauge
coupling, allows to consider the limit where the LIV gauge field eventually
decouples from the fermions. Lorentz invariance is then recovered, to describe
the oscillation between two free fermion flavours, and we check that the finite
dynamical masses are the only effects of the original LIV theory.


title:
The surface nitrogen abundance of a massive star in relation to its
  oscillations, rotation, and magnetic field

abstract:
  We have composed a sample of 68 massive stars in our galaxy whose projected
rotational velocity, effective temperature and gravity are available from
high-precision spectroscopic measurements. The additional seven observed
variables considered here are their surface nitrogen abundance, rotational
frequency, magnetic field strength, and the amplitude and frequency of their
dominant acoustic and gravity mode of oscillation. Multiple linear regression
to estimate the nitrogen abundance combined with principal components analysis,
after addressing the incomplete and truncated nature of the data, reveals that
the effective temperature and the frequency of the dominant acoustic
oscillation mode are the only two significant predictors for the nitrogen
abundance, while the projected rotational velocity and the rotational frequency
have no predictive power. The dominant gravity mode and the magnetic field
strength are correlated with the effective temperature but have no predictive
power for the nitrogen abundance. Our findings are completely based on
observations and their proper statistical treatment and call for a new strategy
in evaluating the outcome of stellar evolution computations.


title: New localization mechanism of fermions on braneworlds

abstract:
  It is known that by introducing the Yukawa coupling between the fermion and
the background scalar field, a bulk spin-half fermion can be localized on
general Randall-Sundrum braneworlds generated by a kinklike background scalar.
However, this localization mechanism does not work anymore for Randall-Sundrum
braneworlds generated by a scalar whose configuration is an even function of
the extra dimension. In this paper, we present a new localization mechanism for
spin-half fermions for such a class of braneworld models, in which extra
dimension has the topology $S^1/Z_2$. By two examples, it is shown that the new
localization mechanism produces interesting results. In the first model with
the brane generated by two scalars, the zero mode of the left-handed fermion is
localized on the brane and there is a mass gap between the fermion zero mode
and excited KK modes. In the second model with the brane generated by a dilaton
scalar, the zero mode of the left- or right-chiral fermion can be localized on
the brane and there is no mass gap.


title: Unfolding kinetics of periodic DNA hairpins

abstract:
  DNA hairpin molecules with periodic base sequences can be expected to exhibit
a regular coarse-grained free energy landscape (FEL) as function of the number
of open base pairs and applied mechanical force. Using a commonly employed
model, we first analyse for which types of sequences a particularly simple
landscape structure is predicted, where forward and backward energy barriers
between partly unfolded states are decreasing linearly with force. Stochastic
unfolding trajectories for such molecules with simple FEL are subsequently
generated by kinetic Monte Carlo simulations. Introducing probabilities that
can be sampled from these trajectories, it is shown how the parameters
characterising the FEL can be estimated. Already 300 trajectories, as typically
generated in experiments, provide faithful results for the FEL parameters.


title: The Alpha Problem & Line Count Configurations

abstract:
  Motivated by the work of Chudnovsky and the Eisenbud-Mazur Conjecture on
evolutions, Harbourne and Huneke give a series of conjectures that relate
symbolic and regular powers of ideals of fat points in $\mathbb P^n$. The
conjectures involve both containment statements and bounds for the initial
degree in which there is a non-zero form in an ideal. Working with initial
degrees, we verify two of these conjectures for special line count
configurations in projective 2-space over an algebraically closed field of
characteristic 0.


title:
Stability results for some geometric inequalities and their functional
  versions

abstract:
  The Blaschke Santal\'o inequality and the $L_p$ affine isoperimetric
inequalities are major inequalities in convex geometry and they have a wide
range of applications. Functional versions of the Blaschke Santal\'o inequality
have been established over the years through many contributions. More recently
and ongoing, such functional versions have been established for the $L_p$
affine isoperimetric inequalities as well. These functional versions involve
notions from information theory, like entropy and divergence. We list stability
versions for the geometric inequalities as well as for their functional
counterparts. Both are known for the Blaschke Santal\'o inequality. Stability
versions for the $L_p$ affine isoperimetric inequalities in the case of convex
bodies have only been known in all dimensions for $p=1$ and for $p > 1$ only
for convex bodies in the plane. Here, we prove almost optimal stability results
for the $L_p$ affine isoperimetric inequalities, for all $p$, for all convex
bodies, for all dimensions. Moreover, we give stability versions for the
corresponding functional versions of the $L_p$ affine isoperimetric
inequalities, namely the reverse log Sobolev inequality, the $L_p$ affine
isoperimetric inequalities for log concave functions and certain divergence
inequalities.


title: Autonomous Quantum Perceptron Neural Network

abstract:
  Recently, with the rapid development of technology, there are a lot of
applications require to achieve low-cost learning. However the computational
power of classical artificial neural networks, they are not capable to provide
low-cost learning. In contrast, quantum neural networks may be representing a
good computational alternate to classical neural network approaches, based on
the computational power of quantum bit (qubit) over the classical bit. In this
paper we present a new computational approach to the quantum perceptron neural
network can achieve learning in low-cost computation. The proposed approach has
only one neuron can construct self-adaptive activation operators capable to
accomplish the learning process in a limited number of iterations and, thereby,
reduce the overall computational cost. The proposed approach is capable to
construct its own set of activation operators to be applied widely in both
quantum and classical applications to overcome the linearity limitation of
classical perceptron. The computational power of the proposed approach is
illustrated via solving variety of problems where promising and comparable
results are given.


title: Bayesian naturalness of the CMSSM and CNMSSM

abstract:
  The recent discovery of the 125.5 GeV Higgs boson at the LHC has fueled
interest in the next-to-minimal supersymmetric standard model (NMSSM) as it may
require less fine-tuning than the minimal model to accommodate such a heavy
Higgs. To this end we present Bayesian naturalness priors to quantify
fine-tuning in the (N)MSSM. These priors arise automatically as Occam razors in
Bayesian model comparison and generalize the conventional Barbieri-Giudice
measure. In this paper we show that the naturalness priors capture features of
both the Barbieri-Giudice fine-tuning measure and a simple ratio measure that
has been used in the literature. We also show that according to the naturalness
prior the constrained version of the NMSSM is less tuned than the CMSSM.


title: Spin-Orbit Effects in Atomic High-Harmonic Generation

abstract:
  Spin-orbit interactions lead to small energy gaps between the outer-most
$p_{1/2}$ and $p_{3/2}$ shells of noble gas atoms. Strong-field pulses
tunnel-ionize an electron out of either shell resulting in spin-orbit-driven
hole motion. These hole dynamics affect the HHG yield. However, the spectral
shape as well as the angular distribution of the HHG emission is not influenced
by spin-orbit coupling. We demonstrate the spin-orbit effect on atomic krypton
by solving the multi-electron Schr\"odinger equation with the time-dependent
configuration-interaction singles (TDCIS) approach. We also provide pulse
parameters where this effect can be identified in experiments through an
enhancement in the HHG yield as the wavelength of the strong-field pulse
increases.


title: Numerical responses in resource-based mutualisms: a time scale approach

abstract:
  In mutualisms where there is exchange of resources for resources, or
resources for services, the resources are typically short lived compared with
the lives of the organisms that produce and make use of them. This fact allows
a separation of time scales, by which the numerical response of one species
with respect to the abundance of another can be derived mechanistically. These
responses can account for intra-specific competition, due to the partition of
the resources provided by mutualists, in this way connecting competition theory
and mutualism at a microscopic level. It is also possible to derive saturating
responses in the case of species that provide resources but expect a service in
return (e.g. pollination, seed dispersal) instead of food or nutrients. In both
situations, competition and saturation have the same underlying cause, which is
that the generation of resources occur at a finite velocity per individual of
the providing species, but their depletion happens much faster due to the
acceleration in growth rates that characterizes mutualism. The resulting models
can display all the basic features seen in many models of facultative and
obligate mutualisms, and they can be generalized from species pairs to larger
communities. The parameters of the numerical responses can be related with
quantities that can be in principle measured, and that can be related by
trade-offs, which can be useful for studying the evolution of mutualisms.
  Abstract Keywords: mutualism, resources, services, steady-state, functional
and numerical response


title:
Time resolution below 100 ps for the SciTil detector of PANDA employing
  SiPM

abstract:
  The barrel time-of-flight (TOF) detector for the PANDA experiment at FAIR in
Darmstadt is planned as a scintillator tile hodoscope (SciTil) using 8000 small
scintillator tiles. It will provide fast event timing for a software trigger in
the otherwise trigger-less data acquisition scheme of PANDA, relative timing in
a multiple track event topology as well as additional particle identification
in the low momentum region. The goal is to achieve a time resolution of sigma ~
100 ps. We have conducted measurements using organic scintillators coupled to
Silicon Photomultipliers (SiPM). The results are encouraging such that we are
confident to reach the required time resolution.


title:
Estimation of Plasma Parameters in an Accretion Column near the Surface
  of Accreting White Dwarfs from Their Flux Variability

abstract:
  We consider the behavior of matter in the accretion column that emerges under
accretion in binary systems near the surface of a white dwarf. The plasma
heated in a standing shock wave near the white dwarf surface efficiently
radiates in the X-ray energy band. We suggest a method for estimating
post-shock plasma parameters, such as the density, temperature, and height of
the hot zone, from the power spectrum of its X-ray luminosity variability. The
method is based on the fact that the flux variability amplitude for the hot
region at various Fourier frequencies depends significantly on its cooling
time, which is determined by the parameters of the hot zone in the accretion
column. This allows the density and temperature of the hot matter to be
estimated. We show that the characteristic cooling time can be efficiently
determined from the break frequency in the power spectrum of the X-ray flux
variability for accreting white dwarfs. The currently available X-ray
instruments do not allow such measurements to be made because of an
insufficient collecting area, but this will most likely become possible with
new-generation large-area X-ray spectrometers.


title: Birth of the shape of a reachable set

abstract:
  We address a linear control system under geometric constraints on control and
study its reachable sets starting at zero time from the origin. The main result
is the existence of a limit shape of the reachable sets as the terminal time
tends to zero. Here, a shape of a set stands for the set regarded up to an
invertible linear transformation. Both autonomous and non-autonomous cases are
considered.


title:
Controlling the transport of an ion: Classical and quantum mechanical
  solutions

abstract:
  We investigate the performance of different control techniques for ion
transport in state-of-the-art segmented miniaturized ion traps. We employ
numerical optimization of classical trajectories and quantum wavepacket
propagation as well as analytical solutions derived from invariant based
inverse engineering and geometric optimal control. We find that accurate
shuttling can be performed with operation times below the trap oscillation
period. The maximum speed is limited by the maximum acceleration that can be
exerted on the ion. When using controls obtained from classical dynamics for
wavepacket propagation, wavepacket squeezing is the only quantum effect that
comes into play for a large range of trapping parameters. We show that this can
be corrected by a compensating force derived from invariant based inverse
engineering, without a significant increase in the operation time.


title:
126 GeV Higgs Boson Associated with D-term Triggered Dynamical
  Supersymmetry Breaking

abstract:
  Continuing with our previous work on D-term triggered dynamical supersymmetry
breaking, we consider a system in which our generic N=1 action is minimally
extended to include the pair of Higgs doublet superfields charged under the
overall U(1) as well as mu and B mu terms. The gauge group is taken to be
SU(3)_C times SU(2)_L times U(1)_Y times U(1). We point out, among other
things, that the Higgs mass less than the Z-boson mass at tree level can be
pushed up to be around 126 GeV by D-term contributions of the overall U(1).
This is readily realized by taking a U(1) gauge coupling of O(1).


title: Mass deformed world-sheet action of semi-local vortices

abstract:
  The mass deformed effective world-sheet theory of semi local vortices was
constructed via the field theoretical method. By Euler-Lagrangian equations,
the Ansatze for both the gauge field and the adjoint scalar were solved, this
ensures that zero modes of vortices are minimal excitations of the system. Up
to the $1/g^2$ order, all profiles are solved. The mass deformed effective
action was obtained by integrating out the transverse plane of the vortex
string. The effective theory interpolates between the local vortex and the
lump. Respecting certain normalization conditions, the effective theory shows a
Seiberg-like duality, which agrees with the result of the K\"ahler quotient
construction.


title: Canonical Cohen rings for norm fields

abstract:
  Fix $K/\mathbf{Q}_p$ a finite extension and let $L/K$ be an infinite,
strictly APF extension in the sense of Fontaine--Wintenberger. Let $X_K(L)$
denote its associated norm field. The goal of this paper is to associate to
$L/K$, in a canonical and functorial way, a $p$-adically complete subring
$\mathbf{A}_{L/K}^+ \subset \widetilde{\mathbf{A}}^+$ whose reduction
modulo~$p$ is contained in the valuation ring of $X_K(L)$. When the extension
$L/K$ is of a special form, which we call a $\varphi$-iterate extension, we
prove that $X_K(L)$ is (at worst) a finite purely inseparable extension of the
fraction field of $\mathbf{A}_{L/K}^+/(p)$. The class of $\varphi$-iterate
extensions includes all Lubin--Tate extensions, as well as many other
extensions such as the non-Galois ``Kummer" extension occurring in work of
Faltings, Breuil, and Kisin. In particular, our work provides a canonical and
functorial construction of every characteristic zero lift of the norm fields
that have thus far played a foundational role in (integral) $p$-adic Hodge
theory, as well as many other cases which have yet to be studied.


title:
A 3+1 dimensional viscous hydrodynamic code for relativistic heavy ion
  collisions

abstract:
  We describe the details of 3+1 dimensional relativistic hydrodynamic code for
the simulations of quark-gluon/hadron matter expansion in ultra-relativistic
heavy ion collisions. The code solves the equations of relativistic viscous
hydrodynamics in the Israel-Stewart framework. With the help of ideal-viscous
splitting, we keep the ability to solve the equations of ideal hydrodynamics in
the limit of zero viscosities using a Godunov-type algorithm. Milne coordinates
are used to treat the predominant expansion in longitudinal (beam) direction
effectively. The results are successfully tested against known analytical
relativistic inviscid and viscous solutions, as well as against existing 2+1D
relativistic viscous code.


title:
Novel magnetic arrangement and structural phase transition induced by
  spin-lattice coupling in multiferroics

abstract:
  Using an effective Hamiltonian of mutiferroic BiFeO$_3$ (BFO) as a toy model,
we explore the effect of the coefficient, C, characterizing the strength of the
spin-current interaction, on physical properties. We observe that for larger C
values and below a critical temperature, the magnetic moments organize
themselves in a novel cycloid which propagates along a low-symmetry direction
and is associated with a structural phase transition from polar rhombohedral to
a polar triclinic state. We emphasize that both of these magnetic and
structural transitions are results of a remarkable self-organization of
different solutions of the spin-current model.


title:
New Method for Localization and Human Being Detection using UWB
  Technology: Helpful Solution for Rescue Robots

abstract:
  Two challenges for rescue robots are to detect human beings and to have an
accurate positioning system. In indoor positioning, GPS receivers cannot be
used due to the reflections or attenuation caused by obstacles. To detect human
beings, sensors such as thermal camera, ultrasonic and microphone can be
embedded on the rescue robot. The drawback of these sensors is the detection
range. These sensors have to be in close proximity to the victim in order to
detect it. UWB technology is then very helpful to ensure precise localization
of the rescue robot inside the disaster site and detect human beings.
  We propose a new method to both detect human beings and locate the rescue
robot at the same time. To achieve these goals we optimize the design of UWB
pulses based on B-splines. The spectral effectiveness is optimized so the
symbols are easier to detect and the mitigation with noise is reduced. Our
positioning system performs to locate the rescue robot with an accuracy about 2
centimeters. During some tests we discover that UWB signal characteristics
abruptly change after passing through a human body. Our system uses this
particular signature to detect human body.


title:
Equivalence and Strong Equivalence between Sparsest and Least
  $\ell_1$-Norm Nonnegative Solutions of Linear Systems and Their Application

abstract:
  Many practical problems can be formulated as l0-minimization problems with
nonnegativity constraints, which seek the sparsest nonnegative solutions to
underdetermined linear systems. Recent study indicates that l1-minimization is
efficient for solving some classes of l0-minimization problems. From a
mathematical point of view, however, the understanding of the relationship
between l0- and l1-minimization remains incomplete. In this paper, we further
discuss several theoretical questions associated with these two problems. For
instance, how to completely characterize the uniqueness of least l1-norm
nonnegative solutions to a linear system, and is there any alternative matrix
property that is different from existing ones, and can fully characterize the
uniform recovery of K-sparse nonnegative vectors? We prove that the fundamental
strict complementarity theorem of linear programming can yield a necessary and
sufficient condition for a linear system to have a unique least l1-norm
nonnegative solution. This condition leads naturally to the so-called range
space property (RSP) and the `full-column-rank' property, which altogether
provide a broad understanding of the relationship between l0- and
l1-minimization. Motivated by these results, we introduce the concept of the
`RSP of order K' that turns out to be a full characterization of the uniform
recovery of K-sparse nonnegative vectors. This concept also enables us to
develop certain conditions for the non-uniform recovery of sparse nonnegative
vectors via the so-called weak range space property.


title: Subtleties in the BaBar measurement of time-reversal violation

abstract:
  A first measurement of time-reversal (T) asymmetries that are not also CP
asymmetries has been recently achieved by the BaBar collaboration. We analyze
the measured asymmetries in the presence of direct CP violation, CPT violation,
wrong strangeness decays and wrong sign semileptonic decays. We note that the
commonly used S_{\psi K} and C_{\psi K} parameters are CP-odd, but have a T-odd
CPT-even part and a T-even CPT-odd part. We introduce parameters that have
well-defined transformation properties under CP, T and CPT. We identify
contributions to the measured asymmetries that are T conserving. We explain
why, in order that the measured asymmetries would be purely odd under
time-reversal, there is no need to assume the absence of direct CP violation.
Instead, one needs to assume (i) the absence of CPT violation in strangeness
changing decays, and (ii) the absence of wrong sign decays.


title:
Dynamical quantum phase transitions and the Loschmidt echo: A transfer
  matrix approach

abstract:
  A boundary transfer matrix formulation allows to calculate the Loschmidt echo
for one-dimensional quantum systems in the thermodynamic limit. We show that
non-analyticities in the Loschmidt echo and zeros for the Loschmidt amplitude
in the complex plane (Fisher zeros) are caused by a crossing of eigenvalues in
the spectrum of the transfer matrix. Using a density-matrix renormalization
group algorithm applied to these transfer matrices we numerically investigate
the Loschmidt echo and the Fisher zeros for quantum quenches in the XXZ model
with a uniform and a staggered magnetic field. We give examples---both in the
integrable and the non-integrable case---where the Loschmidt echo does not show
non-analyticities although the quench leads across an equilibrium phase
transition, and examples where non-analyticities appear for quenches within the
same phase. For a quench to the free fermion point, we analytically show that
the Fisher zeros sensitively depend on the initial state and can lie exactly on
the real axis already for finite system size. Furthermore, we use bosonization
to analyze our numerical results for quenches within the Luttinger liquid
phase.