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Rewriting systems for Coxeter groups

✍ Scribed by Susan M. Hermiller

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
738 KB
Volume
92
Category
Article
ISSN
0022-4049

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Let W, S be any finite Coxeter system and F the Bruhat᎐Chevalley Ε½ . Ε½ . order on W. We denote by Base W and BiGr W the base and the set of all bi-grassmannians, respectively. For s, t g S we let s W t be the subset of Ε½ . Ε½ . Γ„ 4 Ε½ . Γ„ 4 BiGr W consisting of all w g W such that L L w s s and R R w