Abstract
We obtain conditions for the validity of norm inequalities on the images and preimages of integration operators of positive integer orders in the Besov and Triebel–Lizorkin spaces with local Muckenhoupt weights on \( {}^{N} \). As application, we establish a connection between the entropy and approximative numbers of the embedding operators and the same characteristics of the integration operators.
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Funding
The research in Section 5 was supported by the Russian Science Foundation (Grant no. 22–21–00579; https:// rscf.ru/project/22–21–00579/). The results of Sections 4 and 6 were obtained at the Steklov Institute of Mathematics and supported by Grant no. 19–11–00087 (https://rscf.ru/project/19–11–00087/). The rest of the article was carried out in the framework of the State Task with the Ministry of Science and Higher Education of the Russian Federation to the Trapeznikov Institute of Control Sciences and the Computing Center of the Far Eastern Branch of the Russian Academy of Sciences.
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Translated from Sibirskii Matematicheskii Zhurnal, 2022, Vol. 63, No. 6, pp. 1382–1410. https://doi.org/10.33048/smzh.2022.63.616
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Ushakova, E.P. The Images of Integration Operators in Weighted Function Spaces. Sib Math J 63, 1181–1207 (2022). https://doi.org/10.1134/S0037446622060167
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DOI: https://doi.org/10.1134/S0037446622060167
Keywords
- Riemann–Liouville operator
- Besov and Triebel–Lizorkin spaces
- local Muckenhoupt weight
- Battle–Lemarié spline-type wavelet system
- atomic decomposition