1 Decoherence-free subspaces, subspace of a system's Hilbert space where the system is decoupled from the environment.  Dynamic Frequency Selection, part of the IEEE 802.11h wireless standard.
The American Psychological Association (APA) is a scientific and professional organization that represents psychologists in the United States.
Juliaâs Quick and Dirty Guide to APA What is APA? The American Psychological Association (APA) has produced a publication manual that includes all of the rules that you need to know to produce a manuscript that conforms to their standards. This manual, now in the 5th edition, has been accepted as the gold standard by many academic disciples.