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arXiv 1109.5565math.FA
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局部“补”变指数Morrey型空间中的极大算子、位势算子和奇异算子

Maximal, potential and singular operators in the local "complementary" variable exponent Morrey type spaces

Vagif S. Guliyev, Javanshir J. Hasanov, Stefan G. Samko

摘要:

本文考虑局部“互补”广义Morrey空间${\dual \cal M}_{\{x_0\}}^{p(\cdot),\om}(\Om)$,其中函数的$p$ -均值被控制在$\Om\backslash B(x_0,r)$而不是$B(x_0,r)$上,其中$\Om \subset \Rn$是有界开集,$p(x)$是可变指数,且定义“互补”Morrey-型范数的函数$\om(r)$没有单调性类型条件.在$\om$是幂函数的情况下,我们揭示了这些空间与加权Lebesgue空间的关系.在一般情况下,我们证明了具有标准核的Hardy-Littlewood极大算子和Calderon-Zygmund奇异算子在这类空间中的有界性。我们还证明了一个Sobolev型${\dual \cal M}_{\{x_0\}}^{p(\cdot),\om} (\Om)\rightarrow {\dual \cal M}_{\{x_0\}}^{q(\cdot),\om} (\Om)$ -定理的潜在运营商$I^{\al(\cdot)},$也变阶。在所有情况下,有界性的条件都是由$\om(r)$上的Zygmund型积分不等式项给出的,它不对$\om(r)$的单调性作任何假设.

英文摘要:

We consider local "complementary" generalized Morrey spaces ${\dual \cal M}_{\{x_0\}}^{p(\cdot),\om}(\Om)$ in which the $p$-means of function are controlled over $\Om\backslash B(x_0,r)$ instead of $B(x_0,r)$, where $\Om \subset \Rn$ is a bounded open set, $p(x)$ is a variable exponent, and no monotonicity type conditio is imposed onto the function $\om(r)$ defining the "complementary" Morrey-type norm. In the case where $\om$ is a power function, we reveal the relation of these spaces to weighted Lebesgue spaces. In the general case we prove the boundedness of the Hardy-Littlewood maximal operator and Calderon-Zygmund singular operators with standard kernel, in such spaces. We also prove a Sobolev type ${\dual \cal M}_{\{x_0\}}^{p(\cdot),\om} (\Om)\rightarrow {\dual \cal M}_{\{x_0\}}^{q(\cdot),\om} (\Om)$-theorem for the potential operators $I^{\al(\cdot)},$ also of variable order. In all the cases the conditions for the boundedness are given it terms of Zygmund-type integral inequalities on $\om(r)$, which do not assume any assumption on monotonicity of $\om(r)$.

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