On the operator equations An = A*A

DOI10.1080/03081087.2019.1641463zbMath1504.47024arXiv1902.02193OpenAlexW2963408287MaRDI QIDQ5005289

Souheyb Dehimi, Zsigmond Tarcsay, Mohammed Hichem Mortad

Publication date: 9 August 2021

Published in: Linear and Multilinear Algebra (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1902.02193

zbMATH Keywords

spectrumself-adjoint operatorsclosed operatorsbounded and unbounded operatorsquasinormal operators

Mathematics Subject Classification ID

Equations and inequalities involving linear operators, with vector unknowns (47A50) Matrix and operator functional equations (39B42)

Related Items (4)

Certain properties involving the unbounded operators \(p(T)\), \(TT^\ast\), and \(T^\ast T\); and some applications to powers and \textit{nth} roots of unbounded operators ⋮ Unbounded operators having self‐adjoint, subnormal, or hyponormal powers ⋮ Some new characterizations of a Hermitian matrix and their applications ⋮ Multivalued linear operator equation \(A^*A = \lambda A^n\)

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