A new approach to a theorem of Eng

Authors : Hasan ARSLAN

Pages : 1679-1680

Doi:10.15672/hujms.900705

View : 14 | Download : 7

Publication Date : 2021-12-14

Article Type : Research Paper

Abstract :The main aim of this work is to give a case-free algebraic proof for a theorem of Eng on the Poincaré polynomial of parabolic quotients of finite Coxeter groups evaluated at -1.
Keywords : Coxeter groups, descent algebras, Poincaré polynomial, the longest element, q 1 phenomenon