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Rigidity and flexibility of entropies of boundary maps associated to Fuchsian groups
Adam Abrams;  Svetlana Katok;  Ilie Ugarcovici
Towards Brin’s conjecture on frame flow ergodicity: new progress and perspectives
Mihajlo Cekić;  Thibault Lefeuvre;  Andrei Moroianu;  Uwe Semmelmann
Preservers of totally positive kernels and Pólya frequency functions
Alexander Belton;  Dominique Guillot;  Apoorva Khare;  Mihai Putinar
Local rigidity for hyperbolic toral automorphisms
Boris Kalinin;  Victoria Sadovskaya;  Zhenqi Jenny Wang