A generalization of Deodhar's defect statistic for Iwahori--Hecke algebras of type $BC$

Gavin Hobbs, Tommy Parisi, Mark Skandera +1

Let $H$ be the Iwahori--Hecke algebra corresponding to any Coxeter group. Deodhar's defect statistic [Geom. Dedicata 36, (1990) pp.95--119] allows one to expand products of simple…