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Composition operators between the Hardy space Hp and the Bergman spaces Lqa

Rikio Yoneda

Abstract

We study composition operators Cφ between the Hardy space Hp and the Bergman spaces Lqa, between the Besov type space Bp, p-1 and the Bergman spaces Lqa. Using the main results in this paper, as a result, we can also prove the following: If 0 < q ≤ p, then Cφ: Hp →Lqa is bounded, while there is no symbol φ such that it is bounded below.

Holomorphic and Operator TheoryAdvanced Harmonic Analysis ResearchAlgebraic and Geometric AnalysisHardy spaceBergman spaceBergman kernelSpace (punctuation)MathematicsComposition (language)Pure mathematicsMathematical analysisComputer scienceLinguistics
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Composition operators between the Hardy space Hp and the Bergman spaces Lqa · Scinovex