Irelli, Giovanni Cerulli, Lanini, Martina and Littelmann, Peter (2016). DEGENERATE FLAG VARIETIES AND SCHUBERT VARIETIES: A CHARACTERISTIC FREE APPROACH. Pac. J. Math., 284 (2). S. 283 - 309. BERKELEY: PACIFIC JOURNAL MATHEMATICS. ISSN 0030-8730
Full text not available from this repository.Abstract
We consider the PBW filtrations over Z of the irreducible highest weight modules in type A(n) and C-n. We show that the associated graded modules can be realized as Demazure modules for group schemes of the same type and doubled rank. We deduce that the corresponding degenerate flag varieties are isomorphic to Schubert varieties in any characteristic.
| Item Type: | Journal Article | ||||||||||||||||
| Creators: |
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| URN: | urn:nbn:de:hbz:38-258887 | ||||||||||||||||
| DOI: | 10.2140/pjm.2016.284.283 | ||||||||||||||||
| Journal or Publication Title: | Pac. J. Math. | ||||||||||||||||
| Volume: | 284 | ||||||||||||||||
| Number: | 2 | ||||||||||||||||
| Page Range: | S. 283 - 309 | ||||||||||||||||
| Date: | 2016 | ||||||||||||||||
| Publisher: | PACIFIC JOURNAL MATHEMATICS | ||||||||||||||||
| Place of Publication: | BERKELEY | ||||||||||||||||
| ISSN: | 0030-8730 | ||||||||||||||||
| Language: | English | ||||||||||||||||
| Faculty: | Faculty of Mathematics and Natural Sciences | ||||||||||||||||
| Divisions: | Faculty of Mathematics and Natural Sciences > Department of Mathematics and Computer Science > Mathematical Institute | ||||||||||||||||
| Subjects: | no entry | ||||||||||||||||
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| Refereed: | Yes | ||||||||||||||||
| URI: | http://kups.ub.uni-koeln.de/id/eprint/25888 |
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