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Dashan Fan Zengjian Lou Zijian Wang 《Mathematical Methods in the Applied Sciences》2020,43(3):1183-1203
In this paper, we consider the approximation of the degeneration of classic average on sphere on Hardy-Sobolev spaces Iλ(Hp) . We prove that the degenerate expression of average on sphere of an Lp function is convergent almost everywhere, and the speed of the approximation depends on λ. And when λ ≥ 2, the approximation of the average operator will be saturated. On the other hand, we also study the generalization of the average on the product of Hardy-Sobolev spaces. 相似文献
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