Operator inequalities, functional models and ergodicity
Resumen: We discuss when an operator T, subject to a rather general inequality in hereditary form, admits a unitarily equivalent functional model of Agler type in the reproducing kernel Hilbert space associated to the inequality. The kernel need not be of Nevanlinna-Pick type. We define a defect operator D in our context and discuss the structure of the spectrum of T when D is of finite rank. As a second application, some consequences concerning the ergodic behavior of the operator T are derived.
Idioma: Inglés
DOI: 10.1016/j.jmaa.2021.124984
Año: 2021
Publicado en: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 498, 2 (2021), 124984 [39 pp]
ISSN: 0022-247X

Originalmente disponible en: Texto completo de la revista

Factor impacto JCR: 1.417 (2021)
Categ. JCR: MATHEMATICS rank: 77 / 333 = 0.231 (2021) - Q1 - T1
Categ. JCR: MATHEMATICS, APPLIED rank: 127 / 267 = 0.476 (2021) - Q2 - T2

Factor impacto CITESCORE: 2.6 - Mathematics (Q2)

Factor impacto SCIMAGO: 0.859 - Applied Mathematics (Q1) - Analysis (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/E26-17R
Financiación: info:eu-repo/grantAgreement/ES/MCYTS-DGI-FEDER/PID2019-105979GB-I00
Tipo y forma: Article (PostPrint)
Área (Departamento): Área Análisis Matemático (Dpto. Matemáticas)

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 Record created 2021-03-08, last modified 2023-05-19


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