Isotropic meta Kazhdan--Lusztig combinatorics I: Ext-quiver presentation for the Hecke category
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866918399570870272 |
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| author | Mills, Ben |
| author_facet | Mills, Ben |
| contents | We provide an ${\rm Ext}$-quiver and relations presentation for the basic algebra of the anti-spherical Hecke categories of isotropic Grassmannians, $H_{(D_n, A_{n-1})}$, in terms of cup-cap meta Kazhdan--Lusztig combinatorics and Temperley--Lieb diagrammatics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_15426 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Isotropic meta Kazhdan--Lusztig combinatorics I: Ext-quiver presentation for the Hecke category Mills, Ben Representation Theory Combinatorics We provide an ${\rm Ext}$-quiver and relations presentation for the basic algebra of the anti-spherical Hecke categories of isotropic Grassmannians, $H_{(D_n, A_{n-1})}$, in terms of cup-cap meta Kazhdan--Lusztig combinatorics and Temperley--Lieb diagrammatics. |
| title | Isotropic meta Kazhdan--Lusztig combinatorics I: Ext-quiver presentation for the Hecke category |
| topic | Representation Theory Combinatorics |
| url | https://arxiv.org/abs/2601.15426 |