4-manifolds and topological modular forms

Speaker:

Du Pei

Affiliation:

Caltech

Date:

Fri, 20/09/2019 - 10:30 - 11:20

Location:

MPIM Lecture Hall [2]

Parent event:

Workshop on 4-manifolds, September 16 - 20, 2019 [3]

Physics predicts the existence of a novel class of smooth invariants of 4-manifolds valued in the ring of topological modular forms. In this talk, we will describe general properties of this new invariant and consider some examples.