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UID:1304@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20160701T110000
DTEND;TZID=Europe/Paris:20160701T120000
DTSTAMP:20160616T090000Z
URL:https://www.i2m.univ-amu.fr/evenements/obstructions-to-anosov-diffeomo
 rphisms/
SUMMARY: (...): Obstructions to Anosov diffeomorphisms
DESCRIPTION:: A diffeomorphism f of a closed Riemannian manifold M is Anoso
 v if TM has a splitting as a Whitney sum of two df-invariant subbundles\, 
 and df acts expansively on one of the subbundles\, and contractively on th
 e other.The only known examples of manifolds supporting an Anosov map are 
 (certain) infranilmanifolds -- prompting Smale to ask whether manifolds ha
 ving an Anosov diffeomorphism necessarily have to be infranil. In this tal
 k\, I will survey the known obstructions to having an Anosov diffeomorphis
 m. I will also outline some recent work with Andrey Gogolev showing that p
 roducts of certain aspherical manifolds with nilmanifolds do not support A
 nosov diffeomorphisms.https://math.osu.edu/people/lafont.1
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DTSTART:20160327T030000
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