Dixy Msapato (University of Leeds)


Monday February 7, 2022
4:30 pm - 5:30 pm


Online via Zoom

Algebra & Geometry Seminar

Monday, February 7th, 2022

Time: 4:30 p.m.  Place: Online via Zoom (contact Kaveh Mousavand for Zoom link)

Speaker: Dixy Msapato (University of Leeds)

Title: Counting tau-exceptional sequences for Nakayama algebras.

Abstract: The notion of a tau-exceptional sequence was introduced by Buan and Marsh in 2018 as a generalisation of exceptional sequences over finite dimensional algebras. In this talk, I will introduce both this notion, and present counting results of tau-exceptional sequences over some classes of Nakayama algebras (and a general counting strategy). In some of these Nakayama algebra cases we will see obtain closed formulas counting other well-known combinatorial objects, and exceptional sequences over some path algebras of Dynkin quivers.

Website details here: https://mast.queensu.ca/~georep/