Joint Math/CMSA Geometry and Quantum Theory Seminar

Speaker: Vasily Krylov, Harvard

Title: 1-shifted Yangians from 1-shifted Lie bialgebras

Abstract: In the previous talk, Keyou explained that the fusion of line defects in 3d holomorphic–topological field theories is expected to be governed by so-called DG-shifted Yangians. Following arXiv:2503.08770, I will present examples of such DG-shifted Yangians arising from 1-shifted Lie bialgebras. We will discuss both the classical and DG-shifted settings from a purely mathematical perspective.