2 papers
math.FA2025
Group equivariant Radon-Nikodým property and its characterizations
Sheldon Dantas, Michal Doucha, Mingu Jung +1
We introduce and study equivariant versions of the Radon-Nikodým property for Banach spaces, together with the closely related notions such as dentability, the Bishop-Phelps and K…
math.FA2025
Invariant strictly convex renormings
Michal Doucha
Motivated by the question of Mikael de la Salle, we investigate the problem of the existence of equivalent strictly convex norms on Banach spaces that are invariant with respect to…