Unitary equivalence of operators and dilations

• Autorzy: Chafiq Benhida
• Języki publikacji: EN

Abstrakty

EN

Given two contractions T and T' such that T'-T is an operator of finite rank, we prove, under some conditions, the unitary equivalence of the unitary parts of the minimal isometric dilations (respectively minimal co-isometric extensions) of T and T'.

• Wydawca: Institute of Mathematics Polish Academy of Sciences
• Czasopismo: Studia Mathematica
• Rocznik: 2004
• Tom: 164
• Numer: 3
• Strony: 253-255

Daty

wydano

2004

Twórcy

autor

Chafiq Benhida

• UFR de Mathématiques, CNRS-UMR 8524, Bât. M2, Université des Sciences et Technologies de Lille, F-59655 Villeneuve d'Ascq Cedex, France

Identyfikatory

DOI

10.4064/sm164-3-4