Estimate for the norm of matrix-valued functions |
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Authors: | Michael Gil |
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Institution: |
a Department of Mathematics, Ben-Gurion University, Beer Sheva, Israel |
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Abstract: | 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. |
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Keywords: | |
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