Integrable system on minimal nilpotent orbit
Fuente:
arXiv
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866913516697419776 |
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| author | Tu, Xinyue |
| author_facet | Tu, Xinyue |
| contents | We show that for every complex simple Lie algebra, the equations of Schubert divisors on the flag variety give a complete integrable system of the minimal nilpotent orbit. The approach is motivated by the integrable system on Coulomb branch. We give explicit computations of these Hamiltonian functions, using Chevalley basis and a so-called Heisenberg algebra basis. For classical Lie algebras we rediscover the lower order terms of the celebrated Gelfand-Zeitlin system. For exceptional types we computed the number of Hamiltonian functions associated to each vertex of Dynkin diagram. They should be regarded as analogs of Gelfand-Zeitlin functions on exceptional type Lie algebras. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_13020 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Integrable system on minimal nilpotent orbit Tu, Xinyue Algebraic Geometry Mathematical Physics Representation Theory 17B80, 17B08, 17B63, 22E46, 14D21 We show that for every complex simple Lie algebra, the equations of Schubert divisors on the flag variety give a complete integrable system of the minimal nilpotent orbit. The approach is motivated by the integrable system on Coulomb branch. We give explicit computations of these Hamiltonian functions, using Chevalley basis and a so-called Heisenberg algebra basis. For classical Lie algebras we rediscover the lower order terms of the celebrated Gelfand-Zeitlin system. For exceptional types we computed the number of Hamiltonian functions associated to each vertex of Dynkin diagram. They should be regarded as analogs of Gelfand-Zeitlin functions on exceptional type Lie algebras. |
| title | Integrable system on minimal nilpotent orbit |
| topic | Algebraic Geometry Mathematical Physics Representation Theory 17B80, 17B08, 17B63, 22E46, 14D21 |
| url | https://arxiv.org/abs/2408.13020 |