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Levi-spherical Schubert varieties
- Source :
- Adv. Math. 439 (2024), Paper No. 109486, 14 pp
- Publication Year :
- 2023
-
Abstract
- We prove a short, root-system uniform, combinatorial classification of Levi-spherical Schubert varieties for any generalized flag variety $G/B$ of finite Lie type. We apply this to the study of multiplicity-free decompositions of a Demazure module into irreducible representations of a Levi subgroup.<br />Comment: 11 pages. Minor corrections made in v2. To appear in Advances in Mathematics
Details
- Database :
- arXiv
- Journal :
- Adv. Math. 439 (2024), Paper No. 109486, 14 pp
- Publication Type :
- Report
- Accession number :
- edsarx.2305.00555
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1016/j.aim.2024.109486