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Publication:3477540
zbMath0699.47025MaRDI QIDQ3477540
Publication date: 1988
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
indefinite inner productCayley transformquasi-similarfundamental symmetryPontrjagin space{\#}-selfadjoint operators3\(\times 3\) triangular representationsKrein space versions of Stone's representation theorem for groupsKrein space versions of Stone's representation theorem for groups of bounded {\#}-unitary operatorsof bounded {\#}-unitary operatorsquasi-{\#}-spectral
Groups and semigroups of linear operators (47D03) Structure theory of linear operators (47A65) Linear operators on spaces with an indefinite metric (47B50)
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