Evenly positive definite function of Hilbert space. Self-adjoint operators which are connected by algebraic relationship

DOI10.30970/MS.55.1.85-93zbMath1477.46050OpenAlexW3134919453MaRDI QIDQ2028192

O. V. Lopotko

Publication date: 31 May 2021

Published in: Matematychni Studiï (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.30970/ms.55.1.85-93

zbMATH Keywords

integral representationbounded evenly positive definite functionsbounded self-adjoint operators

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Measures and integration on abstract linear spaces (46G12) Positive definite functions on groups, semigroups, etc. (43A35)

Cites Work

• A Cosine Functional Equation in Hilbert Space
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