Witt group of non-degenerate braided fusion categories
组织者
演讲者
时间
2025年03月19日 14:00 至 15:30
地点
A3-2-301
线上
Zoom 230 432 7880
(BIMSA)
摘要
The collection of non-degenerate braided fusion categories possesses a certain equivalence relation, the so-called Witt equivalence (invertible morphisms in the higher Morita category). The set of equivalence classes form an abelian group (the Witt group). Although this group has been calculated as an abstract group (as a direct sum of cyclic groups) not much is known about its generators.
演讲者介绍
Professor Alexei Davydov got his PhD from Moscow University 1992, and worked at Moscow University as assistant professor from 1990 to 1998. After working at National University of Singapore, Macquarie University and Max Planck Institute for Mathematics, he became a visiting professor at University of New Hampshire. Professor Davydov have been working at Ohio University since 2012, and became a professor there since 2019. Professor Davydov is interested in algebra, representation theory and their connections to mathematical physics, specializing in Hopf algebras, quantum groups, tensor categories and their applications in conformal field theory.