Mathematics Research Reports, Tome 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