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Keywords:
Weyl fractional integrals; weights
Weyl fractional integrals; weights
Summary:
In this paper we give a sufficient condition on the pair of weights $(w,v)$ for the boundedness of the Weyl fractional integral $I_{\alpha}^+$ from $L^p(v)$ into $L^p(w)$. Under some restrictions on $w$ and $v$, this condition is also necessary. Besides, it allows us to show that for any $p: 1 \leq p < \infty $ there exist non-trivial weights $w$ such that $I_{\alpha}^+$ is bounded from $L^p(w)$ into itself, even in the case $\alpha > 1$.
References:
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