URegina Topology & Geometry Seminar: Martin Frankland

  • Date: 09/27/2023
  • Time: 14:00
Martin Frankland, University of Regina

University of Regina


A DG Lie algebra controlling the deformation of algebras


In Allen's talk, we learned that the deformations of an algebra A can be classified by certain Hochschild cohomology classes. In this talk, we will see that the Hochschild cochains of A can be endowed with a differential graded (DG) Lie algebra structure. The Maurer-Cartan equation describes the solutions to the deformation problem. In this way, the DG Lie algebra can recover the cohomological classification.

Other Information: 

Location: CL 305 & Zoom. Join meeting

Time: 2pm Central/ 1pm Pacific