Reducedness of affine Grassmannian slices in type A

Kamnitzer, J., Muthiah, D. , Weekes, A. and Yacobi, O. (2018) Reducedness of affine Grassmannian slices in type A. Proceedings of the American Mathematical Society, 146(2), pp. 861-874. (doi: 10.1090/proc/13850)

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Abstract

We prove in type A a conjecture which describes the ideal of transversal slices to spherical Schubert varieties in the affine Grassmannian. As a corollary, we prove a modular description (due to Finkelberg-Mirković) of the spherical Schubert varieties.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Muthiah, Dr Dinakar
Authors: Kamnitzer, J., Muthiah, D., Weekes, A., and Yacobi, O.
College/School:College of Science and Engineering > School of Mathematics and Statistics > Mathematics
Journal Name:Proceedings of the American Mathematical Society
Publisher:American Mathematical Society
ISSN:0002-9939
ISSN (Online):1088-6826
Published Online:06 November 2017

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