Kufner, Alois; Persson, Lars-Erik; Samko, Natasha G. (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06)
For Lebesgue spaces on R<sup>n</sup>, 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 ...