Siegel der Universität Augsburg

Universität Augsburg
Institut für Mathematik

Siegel der Universität Augsburg

 

Seminar Topics in Symplectic Geometry

 

Sara Tukachinsky
IAS

 
spricht am
 
Montag, 27. Januar 2020
 
um
 
10:00 Uhr
 
im
 
Raum 2004 (L1)
 
über das Thema:
 

»Quantum product on relative cohomology«

Abstract:
The quantum product on the cohomology of a symplectic manifold X is a deformation of the cup product, or wedge product in the de Rham model. The deformation is given by adding contributions from pseudoholomorphic spheres. Adding a Lagrangian submanifold L, one might consider the relative cohomology H^*(X,L). In a joint work with Jake Solomon, we define a quantum product on H^*(X,L) that combines deformations of the wedge products of differential forms on X and L, with corrections coming from pseudoholomorphic spheres as well as disks with boundary conditions in L. The associativity of this product is equivalent to the open WDVV equations, a PDE in the generating functions of the closed and open Gromov-Witten invariants.

 

Hierzu ergeht herzliche Einladung.
Prof. Dr. Kai Cieliebak



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