A singular Coxeter presentation

Elias, B; Ko, HKY

Ko, HKY (通讯作者),Uppsala Univ, Dept Math, Box480, SE-75106 Uppsala, Sweden.

PROCEEDINGS OF THE LONDON MATHEMATICAL SOCIETY, 2023; 126 (3): 923

Abstract

We enlarge a Coxeter group into a category, with one object for each finite parabolic subgroup, encoding the combinatorics of double cosets. This cate......

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