𝔖 Bobbio Scriptorium
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Bruhat order of Coxeter groups and shellability

✍ Scribed by Anders Björner; Michelle Wachs


Book ID
107709889
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
770 KB
Volume
43
Category
Article
ISSN
0001-8708

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Bases for the Bruhat–Chevalley Order on
✍ Meinolf Geck; Sungsoon Kim 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 403 KB

Let W, S be any finite Coxeter system and F the Bruhat᎐Chevalley Ž . Ž . 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 Ž . Ž . Ä 4 Ž . Ä 4 BiGr W consisting of all w g W such that L L w s s and R R w