Characteristic Functions for Ergodic Tuples

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dc.creatorDey, Santanu
dc.creatorGohm, Rolf
dc.date2005-06-28
dc.date2006-12-12
dc.date.accessioned2026-07-07T06:36:05Z
dc.date.available2026-07-07T06:36:05Z
dc.descriptionMotivated by a result on weak Markov dilations, we define a notion of characteristic function for ergodic and coisometric row contractions with a one-dimensional invariant subspace for the adjoints. This extends a definition given by G. Popescu. We prove that our characteristic function is a complete unitary invariant for such tuples and show how it can be computed.
dc.description22 pages, changes made after referee's comments, to appear in Integral Equations and Operator Theory
dc.identifierhttps://arxiv.org/abs/math/0506560
dc.identifierhttp://arxiv.org/abs/math/0506560
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/99977
dc.subjectOperator Algebras
dc.subjectFunctional Analysis
dc.subject47A20; 47A13
dc.titleCharacteristic Functions for Ergodic Tuples
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