Siegel der Universität Augsburg

Universität Augsburg
Institut für Mathematik

Siegel der Universität Augsburg

 

Oberseminar Differentialgeometrie

 

Dr. Thomas Massoni
Stanford University

 
spricht am
 
Montag, 12. Januar 2026
 
um
 
16 Uhr s.t.
 
im
 
Raum 2004 (L1)
 
über das Thema:
 

»Symplectic rigidity of Anosov flows under orbit equivalence«

Abstract:
A classical construction of Mitsumatsu, later generalized by Hozoori, associates to any (oriented) Anosov flow on a closed $3$-manifold $M$ a Liouville structure on the thickening $[-1,1] \times M$. This construction also extends to suitable taut foliations. From the dynamical viewpoint, it is natural to study Anosov flows up to orbit equivalence, i.e., homeomorphisms sending (unparametrized) orbits to orbits. Such maps are typically not smooth, so the effect on the associated Liouville structures is far from obvious. In this talk, I will present joint work with Jonathan Bowden showing that orbit equivalent Anosov flows induce exact symplectomorphic Liouville structures. A similar result holds for taut foliations. Consequently, the symplectic invariants (Floer homology, Fukaya category, etc.) attached to Anosov flows are preserved under orbit equivalence.

 

Hierzu ergeht herzliche Einladung.
 

Kaffee, Tee und Gebäck eine halbe Stunde vor Vortragsbeginn im Raum 2006 (L1).



[Impressum]      [Datenschutz]      wwwadm@math.uni-augsburg.de,     Mo 22-Dez-2025 13:54:45 MEZ