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zbMath0726.47025MaRDI QIDQ3350211

Hiroshi Nakazato

Publication date: 1990

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

deficiency index maximal symmetric operator extension theorem for *-derivations operators in Pontrjagin spaces

Mathematics Subject Classification ID

Commutators, derivations, elementary operators, etc. (47B47) Dilations, extensions, compressions of linear operators (47A20) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50)

Related Items (1)

On representations of groups and algebras in spaces with indefinite metric

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