Operators and inner functions
نویسندگان
چکیده
منابع مشابه
What Do Composition Operators Know about Inner Functions?
This paper gives several different ways in which operator norms characterize those composition operators Cφ that arise from holomorphic self-maps φ of the unit disc that are inner functions. The setting is the Hardy space H of the disc, and the key result is a characterization of inner functions in terms of the asymptotic behavior of the Nevanlinna counting function.
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One-component inner functions
© The Author(s) 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if c...
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This paper discusses “general arrays,” ;.e., arrays in which the items are either scalars or other arrays. Functions are defined to construct, select from, restructure, and in general manipulate such arrays. Operators are presented as functions whose arguments or values are other functions that can be other than scalar functions. The exposition is shortened and simplified by presenting the mate...
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ژورنال
عنوان ژورنال: Pacific Journal of Mathematics
سال: 1967
ISSN: 0030-8730,0030-8730
DOI: 10.2140/pjm.1967.22.159