Self-dual intervals in the Bruhat order
Abstract: Björner and Ekedahl (Ann Math (2) 170(2):799-817, 2009) prove that general intervals [e,w] in Bruhat order are "top-heavy", with at least as many elements in the i-th corank as the i-th rank. Well-known results of Carrell (in: Algebraic groups and their generalizations: classica...
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| Format: | Article |
| Language: | English |
| Published: |
Springer International Publishing,
2021-01-14T19:56:18Z.
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| Online Access: | Get fulltext |