Maps on self-adjoint operators preserving some relations related to commutativity

Fuente: arXiv
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Autori principali: Karder, Mahdi, Petek, Tatjana
Natura: Preprint
Pubblicazione: 2024
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author Karder, Mahdi
Petek, Tatjana
author_facet Karder, Mahdi
Petek, Tatjana
contents In this paper, we give the complete description of maps on self-adjoint bounded operators on Hilbert space which preserve a triadic relation involving the difference of operators and either commutativity or quasi-commutativity in both directions. We show that those maps are implemented by unitary or antiunitary equivalence and possible additive perturbation by a scalar operator.
format Preprint
id arxiv_https___arxiv_org_abs_2402_09227
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Maps on self-adjoint operators preserving some relations related to commutativity
Karder, Mahdi
Petek, Tatjana
Functional Analysis
In this paper, we give the complete description of maps on self-adjoint bounded operators on Hilbert space which preserve a triadic relation involving the difference of operators and either commutativity or quasi-commutativity in both directions. We show that those maps are implemented by unitary or antiunitary equivalence and possible additive perturbation by a scalar operator.
title Maps on self-adjoint operators preserving some relations related to commutativity
topic Functional Analysis
url https://arxiv.org/abs/2402.09227