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Estimates for approximation numbers of some classes of composition operators on the Hardy space
approximation numbers Blaschke product composition operator cusp map Hardy space modulus of continuity Schatten classes
2012/6/21
We give estimates for the approximation numbers of composition operators on $H^2$, in terms of some modulus of continuity. For symbols whose image is contained in a polygon, we get that these approxim...
Asymptotic Behavior Of The Approximation Numbers Of The Hardy-Type Operator From $L^p$ Into $L^q$
Approximation numbers Hardy operator Voltera operator
2008/7/1
Asymptotic Behavior Of The Approximation Numbers Of The Hardy-Type Operator From $L^p$ Into $L^q$.