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Certain Multi(sub)linear square functions | Loukas Grafakos
; Sha He
; Qingying Xue
; | Date: |
14 Apr 2015 | Abstract: | Let $dge 1, ellin^d$, $min mathbb Z^+$ and $ heta_i$, $i=1,dots,m $
are fixed, distinct and nonzero real numbers. We show that the $m$-(sub)linear
version below of the Ratnakumar and Shrivastava cite{RS1} Littlewood-Paley
square function $$T(f_1,dots ,
f_m)(x)=Big(sumlimits_{ellin^d}|int_{mathbb{R}^d}f_1(x- heta_1
y)cdots f_m(x- heta_m y)e^{2pi i ell cdot y}K (y)dy|^2Big)^{1/2} $$ is
bounded from $L^{p_1}(mathbb{R}^d) imescdots imes L^{p_m}(mathbb{R}^d) $
to $L^p(mathbb{R}^d) $ when $2le p_i<infty$ satisfy $1/p=1/p_1+cdots+1/p_m$
and $1le p<infty$. Our proof is based on a modification of an inequality of
Guliyev and Nazirova cite{GN} concerning multilinear convolutions. | Source: | arXiv, 1504.3424 | Services: | Forum | Review | PDF | Favorites |
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