Seminario di Analisi Algebrica e Complessa: Rozansky-Witten-type invariants from symplectic Lie pairs

Martedì 10 Giugno 2014, ore 14:30 - Aula 1BC45 - Ping Xu


Seminario di Analisi Algebrica e Complessa

Martedì 10 Giugno 2014 alle ore 14:30 in aula 1BC45 Ping Xu (Pennsylvania State University) terrà una conferenza dal titolo "Rozansky-Witten-type invariants from symplectic Lie pairs".

We introduce symplectic structures on pairs of Lie algebroids, encompassing homogeneous symplectic spaces, symplectic manifolds with a g-action and holomorphic symplectic manifolds. We show that to each such symplectic Lie pair are associated Rozansky-Witten-type invariants of three-manifolds given by weight systems.
This is a joint work with Yannick Voglaire.