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On weighted Fourier inequalities - some new scales of equivalent conditions
- 1.0544041 - MÚ 2022 RIV HR eng J - Článek v odborném periodiku
Kufner, Alois - Persson, L. E. - Samko, N.
On weighted Fourier inequalities - some new scales of equivalent conditions.
Journal of Mathematical Inequalities. Roč. 15, č. 2 (2021), s. 879-898. ISSN 1846-579X. E-ISSN 1846-579X
Institucionální podpora: RVO:67985840
Klíčová slova: continuity of the Fourier operator * Fourier inequalities * Fourier transform * Hardy-type inequalities
Obor OECD: Pure mathematics
Impakt faktor: 1.145, rok: 2021
Způsob publikování: Open access
https://dx.doi.org/10.7153/jmi-2021-15-61
For Lebesgue spaces on ℝn, we study two-weight p → q-inequalities for Fourier transform. Some sufficient conditions on weights for such inequalities are known for special ranges of parameters p and q. In the same ranges of parameters we show, that in every case each of those conditions can be replaced by infinitely many conditions, even by continuous scales of conditions. We also derive some new such characterizations concerning the Fourier transform in weighted Lorentz spaces.
Trvalý link: http://hdl.handle.net/11104/0321101
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Počet záznamů: 1