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arXiv:0907.1049 [math.RT]AbstractReferencesReviewsResources

Closures of K-orbits in the flag variety for SU*(2n)

William M. McGovern

Published 2009-07-06, updated 2013-04-23Version 4

We characterize the Sp_{2n} orbits in the flag variety for SL_{2n} with rationally smooth closure via a pattern avoidance criterion, also showing that the singular and rationally singular loci of such orbit closures coincide.

Comments: 5 pages
Categories: math.RT, math.AG
Subjects: 22E46
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