Startseite Mathematik Necessary and sufficient condition for the boundedness of the Gegenbauer–Riesz potential on Morrey spaces
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Necessary and sufficient condition for the boundedness of the Gegenbauer–Riesz potential on Morrey spaces

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Veröffentlicht/Copyright: 28. März 2018
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Abstract

In this paper, we study the Riesz potential (G-Riesz potential) generated by the Gegenbauer differential operator

Gλ=(x2-1)12-λddx(x2-1)λ+12ddx,x(1,),λ(0,12).

We prove that the G-Riesz potential IGα, 0<α<2λ+1, is bounded from the G-Morrey space Lp,λ,γ to Lq,λ,γ if and only if

1p-1q=α2λ+1-γ,1<p<2λ+1-γα.

Also, we prove that the G-Riesz potential IGα is bounded from the G-Morrey space L1,λ,γ to the weak G-Morrey space WLq,λ,γ if and only if

1-1q=α2λ+1-γ.
MSC 2010: 42B20; 42B25; 42B35

Dedicated to the 80th birthday of Professor V. Kokilashvili


Acknowledgements

The authors thank the anonymous referees for careful reading of the paper and very useful comments.

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Received: 2017-8-13
Revised: 2018-1-17
Accepted: 2018-1-19
Published Online: 2018-3-28
Published in Print: 2018-6-1

© 2018 Walter de Gruyter GmbH, Berlin/Boston

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