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11. Okt 2022

Existence of physical measures for surface diffeomorphisms

Datum: 11. Oktober 2022 | 14:00 – 15:00
Sprecher: Sylvain Crovisier, Université Paris-Saclay
Veranstaltungsort: Heinzel Seminar Room / Office Bldg West (I21.EG.101)
Sprache: Englisch

I will explain a relation between the discontinuities of the Lyapunov exponents and of the entropy, with respect to the invariant measures of smooth diffeomorphisms of surfaces.

Among the consequences, one gets an answer to a conjecture by Viana on surfaces: if the Lyapunov exponents are positive for a set with positive area, there exists an SRB measure.

This is a joint work with J. Buzzi and O. Sarig.

Weitere Informationen:

Datum:
11. Oktober 2022
14:00 – 15:00

Sprecher:
Sylvain Crovisier, Université Paris-Saclay

Veranstaltungsort:
Heinzel Seminar Room / Office Bldg West (I21.EG.101)

Sprache:
Englisch

Ansprechpartner:

DE ANTONI Jessica

Email:
jdeanton@ist.ac.at

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