Estimates of the norm of the resolvent of a non-self-adjoint operator which is ''nearly'' self-adjoint or unitary (Q1070185)
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scientific article; zbMATH DE number 3933815
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Estimates of the norm of the resolvent of a non-self-adjoint operator which is ''nearly'' self-adjoint or unitary |
scientific article; zbMATH DE number 3933815 |
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Estimates of the norm of the resolvent of a non-self-adjoint operator which is ''nearly'' self-adjoint or unitary (English)
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1983
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Soit H un espace hilbertien séparable et B(H) l'algèbre des opérateurs linéaires continus agissant dans H. Cet article fournit des estimations exactes de la norme du résolvant \[ R_{\lambda}(A)=(A-\lambda I)^{-1}, \] valables en chaque point de régularité, pour tout opérateur A d'une certaine classe de B(H).
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