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Publication:3892799
zbMath0447.47019MaRDI QIDQ3892799
Publication date: 1980
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
angular operatorfundamental decompositionPontrjagin spacemaximal nonpositive invariant subspacestrong generalized convergenceTrotter-Kato convergence
Perturbation theory of linear operators (47A55) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50)
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