Estimate for the Norm of Matrix-Valued Functions

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New precise estimates for a norm of matrix-valued functions are obtained. These estimates improve I Gel'fand's and G. Shilov's estimate for regular functions of matrices and Carleman's estimate for resolvents. Applications to differential equations and to spectrum perturbations are considered.

Original languageEnglish
Pages (from-to)65-73
Number of pages9
JournalLinear and Multilinear Algebra
Issue number1
StatePublished - 1 Jun 1993


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