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Characteristic functions of some contraction operators

Abstract

In this paper, we characterize some contraction operators in terms of their Sz.-Nagy-Foias model characteristic functions and their associated Toeplitz operators. 2010 Mathematics Subject Classification: Primary 47A05,47A11; Secondary 47B20,47A65.

Fixed Point Theorems AnalysisAdvanced Differential Equations and Dynamical SystemsContraction (grammar)MathematicsMedicineInternal medicine
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