A Combinatorial Approach to Multiplicity-Free Richardson Subvarieties of the Grassmannian

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dc.creatorSnider, Michelle
dc.date2009-02-11
dc.date.accessioned2026-07-07T12:40:39Z
dc.date.available2026-07-07T12:40:39Z
dc.descriptionWe consider Buch's rule for K-theory of the Grassmannian, in the Schur multiplicity-free cases classified by Stembridge. Using a result of Knutson, one sees that Buch's coefficients are related to Moebius inversion. We give a direct combinatorial proof of this by considering the product expansion for Grassmannian Grothendieck polynomials. We end with an extension to the multiplicity-free cases of Thomas and Yong.
dc.identifierhttps://arxiv.org/abs/0902.1931
dc.identifierhttp://arxiv.org/abs/0902.1931
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/219506
dc.subjectCombinatorics
dc.subjectAlgebraic Geometry
dc.titleA Combinatorial Approach to Multiplicity-Free Richardson Subvarieties of the Grassmannian
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