I-00133 Roma, Italy\
    $^9$ Dipartimento di Fisica, Università Federico II, Napoli, Italy
date: 'Accepted . Received '
title: 'Shapley Supercluster Survey (ShaSS): Galaxy Evolution from Filaments to Cluster Cores'
---

\[firstpage\]

galaxies: evolution – galaxies: clusters: general – galaxies: clusters: individual: A3552, A3554, A3556, A3558, A3559, A3560, A3562, AS0724, AS0726, SC1327-312, SC1329-313 – galaxies: photometry – galaxies: stellar contents – gravitational lensing: weak

Introduction {#intro}
============

It is well established that the properties of galaxies are correlated with the environment [e.g. @L02; @GYF03; @BEM04; @BEH05; @BBB06; @PSE06; @Haines07; @BBW13]. At $z{\simeq}0$ galaxy populations in rich clusters are dominated by ellipticals, S0s and at lower masses dwarf ellipticals (dEs) with few, if any, star-forming spirals [@D80; @DTS85]. Cluster galaxies have not always been as inactive as they are at the present epoch. @BO84 showed that the fraction of blue (star-forming) galaxies among cluster members increases from almost zero in the local Universe to $\sim$20% by $z{\sim}0.4$, while recent Spitzer/Herschel surveys have confirmed large numbers of starburst galaxies in clusters to $z{\sim}1$ and beyond [e.g. @PBR12]. While some of this rapid evolution of cluster galaxies can be explained by the cosmic ${\sim}10{\times}$ decline in star formation among field galaxies since $z{\sim}1$ [e.g. 