Abstract
The goal of this paper is to characterize the local sharp estimate \((I_{\rho } f)^{\#}(x) \le C \, M_{\rho } f(x)\) and by using this inequality to get necessary and sufficient conditions on the triple functions \((\varphi , \rho , \omega )\) which satisfy the equivalence of norms of the generalized fractional integral operator \(I_{\rho }\) and the generalized fractional maximal operator \(M_{\rho }\) on the generalized weighted Morrey spaces \({\mathcal {M}}_{p,\varphi }({\mathbb {R}}^{n},\omega )\) and generalized weighted central Morrey spaces \(\dot{{\mathcal {M}}}_{p,\varphi }({{\mathbb {R}}}^n,\omega )\), when \(\omega \in A_{\infty }\)-Muckenhoupt class.
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Acknowledgements
The author would like to express his gratitude to Prof. Dr. Amiran Gogatishvili for his very valuable comments and suggestions. The author would like to express his gratitude to the referees for their (his/her) very valuable comments and suggestions. The research of Abdulhamit Kucukaslan was supported by the grant of The Scientific and Technological Research Council of Turkey, Grant TUBITAK-1059B191600675.
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Communicated by Sorina Barza.
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Kucukaslan, A. Equivalence of norms of the generalized fractional integral operator and the generalized fractional maximal operator on the generalized weighted Morrey spaces. Ann. Funct. Anal. 11, 1007–1026 (2020). https://doi.org/10.1007/s43034-020-00066-w
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DOI: https://doi.org/10.1007/s43034-020-00066-w
Keywords
- Generalized fractional integral operator
- Generalized fractional maximal operator
- Sharp maximal function
- Generalized weighted Morrey spaces
- Muckenhoupt class