Subalgebras of Lie algebras. Example of sl(3,R) revisited
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866912540122939392 |
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| author | Chapovskyi, Yevhenii Yu. Koval, Serhii D. Zhur, Olha |
| author_facet | Chapovskyi, Yevhenii Yu. Koval, Serhii D. Zhur, Olha |
| contents | Revisiting the results by Winternitz [Symmetry in physics, CRM Proc. Lecture Notes 34, American Mathematical Society, Providence, RI, 2004, pp. 215-227], we thoroughly refine his classification of Lie subalgebras of the real order-three special linear Lie algebra and thus present the correct version of this classification for the first time. A similar classification over the complex numbers is also carried out. We follow the general approach by Patera, Winternitz and Zassenhaus but in addition enhance it and rigorously prove its theoretical basis for the required specific cases of classifying subalgebras of real or complex finite-dimensional Lie algebras. As a byproduct, we first construct complete lists of inequivalent subalgebras of the rank-two affine Lie algebra over both the real and complex fields. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2403_02554 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Subalgebras of Lie algebras. Example of sl(3,R) revisited Chapovskyi, Yevhenii Yu. Koval, Serhii D. Zhur, Olha Mathematical Physics Representation Theory 81R05, 17B05, 22E70, 22E60 Revisiting the results by Winternitz [Symmetry in physics, CRM Proc. Lecture Notes 34, American Mathematical Society, Providence, RI, 2004, pp. 215-227], we thoroughly refine his classification of Lie subalgebras of the real order-three special linear Lie algebra and thus present the correct version of this classification for the first time. A similar classification over the complex numbers is also carried out. We follow the general approach by Patera, Winternitz and Zassenhaus but in addition enhance it and rigorously prove its theoretical basis for the required specific cases of classifying subalgebras of real or complex finite-dimensional Lie algebras. As a byproduct, we first construct complete lists of inequivalent subalgebras of the rank-two affine Lie algebra over both the real and complex fields. |
| title | Subalgebras of Lie algebras. Example of sl(3,R) revisited |
| topic | Mathematical Physics Representation Theory 81R05, 17B05, 22E70, 22E60 |
| url | https://arxiv.org/abs/2403.02554 |