Noncommuting Domination in Krein Spaces Via Commutators of Block Operator Matrices |
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| Authors: | Michał Wojtylak |
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| Affiliation: | (1) Instytut Matematyki, Uniwersytet Jagielloński, Reymonta 4, 30-059 Kraków, Poland |
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| Abstract: | The commutators of 2 × 2 block operator matrices with (unbounded) operator entries are investigated. The matrix representation of a symmetric operator in a Krein space is exploited. As a consequence, the domination result due to Cichoń, Stochel and Szafraniec is extended to the case of Krein spaces. |
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| Keywords: | Primary 47B50 Secondary 47B25, 47B47 |
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