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Enclosure of the Numerical Range of a Class of Non-Selfadjoint Rational Operator Functions - MaRDI portal

Enclosure of the Numerical Range of a Class of Non-Selfadjoint Rational Operator Functions

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Publication:6272902

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DOI10.1007/S00020-017-2378-6arXiv1604.07586WikidataQ59611331 ScholiaQ59611331MaRDI QIDQ6272902

Axel Torshage, Christian Engström

Publication date: 26 April 2016

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Nonlinear spectral theory, nonlinear eigenvalue problems (47J10)

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