Authors: Stević, Stevo 
Sharma, Ajay
Affiliations: Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: Essential norm of composition operators between weighted Hardy spaces
Journal: Applied Mathematics and Computation
Volume: 217
Issue: 13
First page: 6192
Last page: 6197
Issue Date: 1-Mar-2011
Rank: M21
ISSN: 0096-3003
DOI: 10.1016/j.amc.2010.12.103
Abstract: 
An asymptotic formula for the essential norm of composition operators acting between two weighted Hardy spaces Hw1 and Hw2, where w1 and w2 are two admissible weight functions, is given. The boundedness of the operators is also characterized.
Keywords: Boundedness | Composition operator | Essential norm | Unit disk | Weighted Hardy space
Publisher: Elsevier
Project: National Board of Higher Mathematics, India (Grant No. 48/4/ 2009/R&D-II/426)

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