Finite index quantum subgroups of discrete quantum groups
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866915203084451840 |
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| author | Hoshino, Mao |
| author_facet | Hoshino, Mao |
| contents | We show that finite index quantum subgroups of a discrete quantum group are induced from finite index quantum subgroups of the unimodularization. As an application, we classify all finite index quantum subgroups of free products of the duals of connected simply-connected compact Lie groups. We also put proofs for some fundamental facts on finite index right coideals of compact quantum groups. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_14044 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Finite index quantum subgroups of discrete quantum groups Hoshino, Mao Operator Algebras Quantum Algebra Primary 46L67, Secondary 20N20, 46L54 We show that finite index quantum subgroups of a discrete quantum group are induced from finite index quantum subgroups of the unimodularization. As an application, we classify all finite index quantum subgroups of free products of the duals of connected simply-connected compact Lie groups. We also put proofs for some fundamental facts on finite index right coideals of compact quantum groups. |
| title | Finite index quantum subgroups of discrete quantum groups |
| topic | Operator Algebras Quantum Algebra Primary 46L67, Secondary 20N20, 46L54 |
| url | https://arxiv.org/abs/2503.14044 |