Isometric Dilations in Nest Algebras

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1 Scopus citations


Let T be a contraction acting in a separable Hilbert space H and leaving invariant a nest N of subspaces of H. We answer the question: when does T have an isometric extension to H ⊕ H which leaves invariant the nest N ⊕ N = {N ⊕ N : N ⊕ N}.

Original languageEnglish
Pages (from-to)346-352
Number of pages7
JournalIntegral Equations and Operator Theory
Issue number3
StatePublished - 1 Jan 1996

ASJC Scopus subject areas

  • Analysis
  • Algebra and Number Theory


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