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Natural Science, Mathematics, 2025
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WEIGHTED SPACES OF FUNCTIONS HARMONIC IN THE UNIT BALL

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Submitted: 2025-02-10; Published: 2025-02-10
CC BY-NC 4.0 This work is licensed under Creative Commons Attribution–NonCommercial International License (CC BY-NC 4.0).

Abstract

We introduce the Banach spacesĀ hāˆž(φ),Ā h0(φ)Ā andĀ h1(ψ)Ā functions harmonic in the unit ballĀ BāŠ‚Rn. These spaces depend on weight functions φ, ψ. We prove that if φ and ψ form a normal pair, thenĀ h1(ψ)āˆ—āˆ¼hāˆž(φ)Ā andĀ h0(φ)āˆ—āˆ¼h1(ψ).