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First and second order perturbation bounds for the operator absolute value - MaRDI portal

First and second order perturbation bounds for the operator absolute value (Q1336418)

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scientific article; zbMATH DE number 665795
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English
First and second order perturbation bounds for the operator absolute value
scientific article; zbMATH DE number 665795

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    First and second order perturbation bounds for the operator absolute value (English)
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    24 October 1994
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    operator absolute value
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    first and the second derivatives of the map that takes an invertible Hilbert space operator to its absolute value
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    first and second order perturbation bounds
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