Estimate of the norm \(\| f(A_ 1,A_ 2)-f(B_ 1,B_ 2)\|\) for pairs of self-adjoint commuting operators

DOI10.1007/BF02107260zbMath0572.47010OpenAlexW2325508258MaRDI QIDQ1062256

Yuliya B. Farforovskaya

Publication date: 1985

Published in: Journal of Soviet Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02107260

zbMATH Keywords

perturbationoperator function

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Functional calculus for linear operators (47A60) Commutators, derivations, elementary operators, etc. (47B47)

Cites Work

• An estimate of the norm |f(B)-f(A)| for self-adjoint operators A and B
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