A note on the Königs domain of compact composition operators on the Bloch space

Jones, Matthew (2011) A note on the Königs domain of compact composition operators on the Bloch space. Journal of Inequalities and Applications (31). ISSN 1029-242X

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Abstract

Let D be the unit disk in the complex plane. We define B0 to be the little Bloch space of functions f analytic in D which satisfy lim┬(|z|→1)⁡〖(1- |z|^2 )|f^' (z) |=0.〗 If φ:D→D is analytic then the composition operator C_φ:f→f∘φ is a continuous operator that maps B0 into itself. In this paper, we show that the compactness of C_φ, as and operator on B0, can be modelled geometrically by its principle eigenfunction. In particular, under certain necessary conditions, we relate the compactness of C_φto the geometry of Ω=σ(D) where σ satisfies Schroder’s functional equation σ∘φ=φ^' (0)σ.

Item Type: Article
Research Areas: A. > School of Science and Technology > Design Engineering and Mathematics
Item ID: 8157
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Depositing User: Devika Mohan
Date Deposited: 26 Sep 2011 07:32
Last Modified: 10 May 2015 16:44
URI: http://eprints.mdx.ac.uk/id/eprint/8157

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