On Segal entropy
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
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| _version_ | 1866914683094564864 |
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| author | Łuczak, Andrzej |
| author_facet | Łuczak, Andrzej |
| contents | The paper is devoted to the investigation of Segal's entropy in semifinite von Neumann algebras. The following questions are dealt with: semicontinuity, the 'ideal-like' structure of the linear span of the set of operators with finite entropy, and topological properties of the set of operators with finite as well as infinite entropy. In our analysis, full generality is aimed at, in particular, the operators for which the entropy is considered are not assumed to belong to the underlying von Neumann algebra, instead, they are arbitrary positive elements in the space $L^1$ over the algebra. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_11067 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On Segal entropy Łuczak, Andrzej Operator Algebras 46L53 (Primary), 81P45, 62B15 (Secondary) The paper is devoted to the investigation of Segal's entropy in semifinite von Neumann algebras. The following questions are dealt with: semicontinuity, the 'ideal-like' structure of the linear span of the set of operators with finite entropy, and topological properties of the set of operators with finite as well as infinite entropy. In our analysis, full generality is aimed at, in particular, the operators for which the entropy is considered are not assumed to belong to the underlying von Neumann algebra, instead, they are arbitrary positive elements in the space $L^1$ over the algebra. |
| title | On Segal entropy |
| topic | Operator Algebras 46L53 (Primary), 81P45, 62B15 (Secondary) |
| url | https://arxiv.org/abs/2402.11067 |