Extremal positive and self-adjoint extensions of suboperators

DOI10.1007/BF01849504zbMath0685.47004MaRDI QIDQ1826085

L. Kapos, Zoltán Sebestyén

Publication date: 1989

Published in: Periodica Mathematica Hungarica (Search for Journal in Brave)

zbMATH Keywords

extension of a subpositive suboperatorextremal norm- preserving extension problemsubself-adjoint

Mathematics Subject Classification ID

Dilations, extensions, compressions of linear operators (47A20)

Related Items (6)

On the extensions of suboperators ⋮ Positive symmetric quotients and their selfadjoint extensions ⋮ Restrictions of partial isometries ⋮ Restrictions of compact normal operators ⋮ Restrictions of normal operators ⋮ Characterization of subprojection suboperators

Cites Work

• On the existence of certain semi-bounded self-adjoint operators in Hilbert space
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