Sangam: A Confluence of Knowledge Streams

A canonical expansion of the product of two Stanley symmetric functions

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dc.contributor Massachusetts Institute of Technology. Department of Mathematics
dc.contributor Li, Nan
dc.creator Li, Nan
dc.date 2016-11-08T19:09:49Z
dc.date 2016-11-08T19:09:49Z
dc.date 2013-09
dc.date 2012-09
dc.date 2016-08-18T15:42:24Z
dc.date.accessioned 2023-03-01T08:36:20Z
dc.date.available 2023-03-01T08:36:20Z
dc.identifier 0925-9899
dc.identifier 1572-9192
dc.identifier http://hdl.handle.net/1721.1/105265
dc.identifier Li, Nan. “A Canonical Expansion of the Product of Two Stanley Symmetric Functions.” Journal of Algebraic Combinatorics 39.4 (2014): 833–851.
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/277046
dc.description We study the problem of expanding the product of two Stanley symmetric functions F[subscript w]⋅F[subscript u] into Stanley symmetric functions in some natural way. Our approach is to consider a Stanley symmetric function as a stabilized Schubert F[subscript w] = lim[subscript n →∞] S[subscript 1[superscipt n]x w], and study the behavior of the expansion of S[subscript 1[superscript n] x w]⋅S[subscript 1[superscript n] x u] into Schubert polynomials as n increases. We prove that this expansion stabilizes and thus we get a natural expansion for the product of two Stanley symmetric functions. In the case when one permutation is Grassmannian, we have a better understanding of this stability. We then study some other related stability properties, providing a second proof of the main result.
dc.format application/pdf
dc.language en
dc.publisher Springer US
dc.relation http://dx.doi.org/10.1007/s10801-013-0469-2
dc.relation Journal of Algebraic Combinatorics
dc.rights Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
dc.rights Springer Science+Business Media New York
dc.source Springer US
dc.title A canonical expansion of the product of two Stanley symmetric functions
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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