A post-group theoretic perspective on the operator-valued S-transform in free probability

Fuente: arXiv
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Autores principales: Ebrahimi-Fard, Kurusch, Ringeard, Timothé
Formato: Preprint
Publicado: 2024
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author Ebrahimi-Fard, Kurusch
Ringeard, Timothé
author_facet Ebrahimi-Fard, Kurusch
Ringeard, Timothé
contents We investigate the algebraic structure underlying Voiculescu's S-transform in the setting of operator-valued free probability. We show that its twisted factorisation property gives rise to post-groups, crossed morphisms, as well as pre- and post-Lie algebras.
format Preprint
id arxiv_https___arxiv_org_abs_2402_16450
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A post-group theoretic perspective on the operator-valued S-transform in free probability
Ebrahimi-Fard, Kurusch
Ringeard, Timothé
Operator Algebras
Group Theory
46L54 (Primary) 22E60, 17B38, 16W60 (Secondary)
We investigate the algebraic structure underlying Voiculescu's S-transform in the setting of operator-valued free probability. We show that its twisted factorisation property gives rise to post-groups, crossed morphisms, as well as pre- and post-Lie algebras.
title A post-group theoretic perspective on the operator-valued S-transform in free probability
topic Operator Algebras
Group Theory
46L54 (Primary) 22E60, 17B38, 16W60 (Secondary)
url https://arxiv.org/abs/2402.16450