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On Strongly Stable Normal Operators in Krein Spaces |
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| Authors: | Ts. Bayasgalan |
| Affiliation: | (1) P.O. Box 46/880, Ulaanbaatar, Mongolia |
| Abstract: | We give a necessary and sufficient condition for strong stability of bounded normal operators in Krein spaces. A similar result was obtained for unitary operators by M. G. Krein [1], and for selfadjoint operators by H. Langer [2], [3]. |
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