Infinitesimal freeness for orthogonally invariant random matrices
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866911451500773376 |
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| author | Cébron, Guillaume Mingo, James A |
| author_facet | Cébron, Guillaume Mingo, James A |
| contents | We introduce a new kind of free independence, called real infinitesimal freeness. We show that independent orthogonally invariant with infinitesimal laws are asymptotically real infinitesimally free. We introduce new cumulants, called real infinitesimal cumulants and show that real infinitesimal freeness is equivalent to vanishing of mixed cumulants. We prove the formula for cumulants with products as entries. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_05139 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Infinitesimal freeness for orthogonally invariant random matrices Cébron, Guillaume Mingo, James A Probability Operator Algebras 46L54, 60B20 We introduce a new kind of free independence, called real infinitesimal freeness. We show that independent orthogonally invariant with infinitesimal laws are asymptotically real infinitesimally free. We introduce new cumulants, called real infinitesimal cumulants and show that real infinitesimal freeness is equivalent to vanishing of mixed cumulants. We prove the formula for cumulants with products as entries. |
| title | Infinitesimal freeness for orthogonally invariant random matrices |
| topic | Probability Operator Algebras 46L54, 60B20 |
| url | https://arxiv.org/abs/2506.05139 |