Weak$^*$ fixed point property in $\ell _1$ and polyhedrality in Lindenstrauss spaces
Emanuele Casini, Enrico Miglierina, Łukasz Piasecki, Roxana Popescu · Studia Mathematica · 2018
The aim of this paper is to study the $w^*$-fixed point property for nonexpansive mappings in the duals of separable Lindenstrauss spaces by means of suitable geometrical properties of the dual ball. First we show that a property concerning the behaviour