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math.DS2022
Semi-continuity of Oseledets flags and Pesin sets with exponentially small tails
Luchezar Stoyanov
Let be an invertible transitive subshift of finite type over a bilateral symbol space , let be a Gibbs measure for determined by a Hölder continuous potential on …
math.DG2022
Linearisability of divergence-free fields along invariant 2-tori
David Perrella, David Pfefferlé, Luchezar Stoyanov
We find conditions under which the restriction of a divergence-free vector field to an invariant toroidal surface is linearisable. The main results are similar in conclusio…