Siegel der Universität Augsburg

Universität Augsburg
Institut für Mathematik

 Siegel der Universität Augsburg

 

Oberseminar zur Algebra und Zahlentheorie

 

Professor Dr. Paul Norbury
University of Melbourne
 
spricht am
 
Donnerstag, 25. April 2019
 
um
 
10:00 Uhr
 
im
 
Raum 1007 (L1)
 
über das Thema:
 

»A new cohomology class on the moduli space of stable curves«

Abstract:
We define a collection of cohomology classes on the moduli space of curves. We prove that a generating function for the intersection numbers involving these new cohomology classes is a tau function of the KdV hierarchy. This is analogous to the theorem conjectured by Witten and proven by Kontsevich that a generating function for intersection numbers on the moduli space of curves is a tau function of the KdV hierarchy.

 

Hierzu ergeht herzliche Einladung.
Prof. Dr. Maxim Smirnov


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