Infinitesimal freeness for orthogonally invariant random matrices

Fuente: arXiv
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Hauptverfasser: Cébron, Guillaume, Mingo, James A
Format: Preprint
Veröffentlicht: 2025
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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