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arXiv:1804.00295 [math.FA]AbstractReferencesReviewsResources

Numerical Ranges of Composition Operators with Elliptic Automorphism Symbols

Yong-Xin Gao, Ze-Hua Zhou

Published 2018-04-01, updated 2018-09-14Version 2

In this paper we investigate the numerical ranges of composition operators whose symbols are elliptic automorphisms of finite orders, on the Hilbert Hardy space $H^2(D)$.

Comments: 14 Pages
Categories: math.FA
Subjects: 47B33, 46E20, 47B38, 46L40, 32H02
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