The University of Michigan Combinatorics Seminar
Fall 2008
September 26, 4:10-5:00, 3866 East Hall



A2-web immanants

Pavlo Pylyavskyy

University of Michigan

Abstract

We introduce web immanants, inspired by Temperley-Lieb immanants of Rhoades and Skandera. We show that web immanants are positive when evaluated on totally positive matrices, and describe some further properties.