On normal, formally normal and quasinormal composition operators in\n \ℓ²-spaces

2014/08/14 by Piotr Budzyński, Budzynski, Piotr
Mathematics · #47B20 #Advanced Banach Space Theory #Advanced Topics in Algebra #FOS: Mathematics #Functional Analysis (math.FA) #Holomorphic and Operator Theory #Primary 47B33 #Secondary 47A05 #Spectral Theory in Mathematical Physics

paper · pdf · doi:10.48550/arxiv.1408.3256

openalex publication_date 2014/08/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Unbounded composition operators in L²-space over discrete measure spaces\nare investigated. Normal, formally normal and quasinormal composition operators\nacting in L²-spaces of this kind are characterized.\n

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