Mathematics Research Reports, Volume 3 (2022)

Rigidity and flexibility of entropies of boundary maps associated to Fuchsian groups

Abrams, Adam; Katok, Svetlana; Ugarcovici, Ilie

p. 1-19

Towards Brin’s conjecture on frame flow ergodicity: new progress and perspectives

Cekić, Mihajlo; Lefeuvre, Thibault; Moroianu, Andrei; Semmelmann, Uwe

p. 21-34

Preservers of totally positive kernels and Pólya frequency functions

Belton, Alexander; Guillot, Dominique; Khare, Apoorva; Putinar, Mihai

p. 35-56

Local rigidity for hyperbolic toral automorphisms

Kalinin, Boris; Sadovskaya, Victoria; Wang, Zhenqi Jenny

p. 57-68