Isometric and Closed-Range Composition Operators between Bloch-Type Spaces
Author(s) -
Nina Zorboska
Publication year - 2011
Publication title -
international journal of mathematics and mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 39
eISSN - 1687-0425
pISSN - 0161-1712
DOI - 10.1155/2011/132541
Subject(s) - mathematics , isometric exercise , composition (language) , bloch space , holomorphic function , type (biology) , pure mathematics , operator theory , characterization (materials science) , composition operator , range (aeronautics) , mathematical analysis , multiplication operator , compact space , hilbert space , physics , medicine , ecology , philosophy , linguistics , materials science , optics , composite material , biology , physical therapy
We present an overview of the known results describing the isometric andclosed-range composition operators on different types of holomorphic function spaces.We add new results and give a complete characterization of the isometric univalentlyinduced composition operators acting between Bloch-type spaces. We also add fewresults on the closed-range determination of composition operators on Bloch-type spacesand present the problems that are still open
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