Scientific Calendar Event

Starts 30 May 2024 11:30
Ends 30 May 2024 12:30
Central European Time
Enrico Fermi Building - Meeting room 101
Abstract: In the first part of the talk, I will give a brief introduction to the theory of 2d cohomological Hall algebras (COHAs), focusing on the example of COHAs of zero-dimensional sheaves on smooth surfaces. Additionally, I will describe certain geometric representations of these COHAs and introduce Nakajima type operators. In the second part of the talk, I will discuss a generalization and categorification of this framework.