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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Bibliographic Details
Main Authors: Gaetz, Christian (Author), Gao, Yibo (Author)
Other Authors: Massachusetts Institute of Technology. Department of Mathematics (Contributor)
Format: Article
Language:English
Published: Springer International Publishing, 2021-01-14T19:56:18Z.
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