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Semigroup Maximal Functions, Riesz Transforms, and Morrey Spaces Associated with Schrödinger Operators on the Heisenberg Groups
Journal of Function Spaces ( IF 1.9 ) Pub Date : 2020-11-21 , DOI: 10.1155/2020/8839785
Hua Wang 1
Affiliation  

Let be a Schrödinger operator on the Heisenberg group , where is the sub-Laplacian on and the nonnegative potential belongs to the reverse Hölder class with . Here, is the homogeneous dimension of . Assume that is the heat semigroup generated by . The semigroup maximal function related to the Schrödinger operator is defined by . The Riesz transform associated with the operator is defined by , and the dual Riesz transform is defined by , where is the gradient operator on . In this paper, the author first introduces a class of Morrey spaces associated with the Schrödinger operator on . Then, by using some pointwise estimates of the kernels related to the nonnegative potential, the author establishes the boundedness properties of these operators , , and acting on the Morrey spaces. In addition, it is shown that the Riesz transform is of weak-type . It can be shown that the same conclusions are also true for these operators on generalized Morrey spaces.

中文翻译:

海森堡群上与薛定er算子相关的半群极大函数,Riesz变换和Morrey空间

成为海森堡集团的Schrödinger算子其中次拉普拉斯算子在其中,非负势属于反向Hölder类,其这里,是的齐次维假设是由产生的热半群与Schrödinger算子有关的半群极大函数定义为与运算符关联的Riesz变换定义为并且双重Riesz变换定义为上的梯度算子在哪里在本文中,作者首先介绍了与Schrödinger算子有关的一类Morrey空间然后,通过使用相关的非负电位内核的一些逐点估计,笔者建立了这些运营商的有界性并作用于Morrey空间。此外,它表明Riesz变换 是弱型 可以证明,对于广义Morrey空间上的这些算子,同样的结论也是正确的。
更新日期:2020-11-22
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