Characterization of the multipliers from $\overset{.}{H}^{r}$ to $\overset{.}{H}^{-r}$
Bull. Korean Math. Soc. 2013 Vol. 50, No. 3, 915-928
Printed May 1, 2013
Sadek Gala and Yoshihiro Sawano
University of mostaganem, Kyoto University
Abstract : In this paper, we will provide an alternative proof to characterize the pointwise multipliers which maps a Sobolev space $\overset{.}{H}^{r}\left( \mathbb{R}^{d}\right) $ to its dual $\overset{.}{H}^{-r}\left( \mathbb{R} ^{d}\right) $ in the case $0
Keywords : multiplier space, Sobolev space, fractional differentiation
MSC numbers : 46E35, 46E25
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