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arXiv 2107.04400math.CVmath.CA
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强伪凸域上Bergman空间的控制集

Dominating Sets in Bergman Spaces on Strongly Pseudoconvex Domains

Walton Green, Nathan Wagner

摘要:

我们得到了多元解析函数的局部估计,也称为小传播或Remez型不等式。利用Carleman估计,得到了一个三球型不等式,其中外两球可以是满足边界分离性质的任意集合,内球可以是正的勒贝格测度的任意集合.我们应用这个局部结果来刻画强伪凸域上Bergman空间的控制集,并给出了再生核的密度条件或检验条件。我们的方法也产生了一个充分条件的任意域和低维集。

英文摘要:

We obtain local estimates, also called propagation of smallness or Remez-type inequalities, for analytic functions in several variables. Using Carleman estimates, we obtain a three sphere-type inequality, where the outer two spheres can be any sets satisfying a boundary separation property, and the inner sphere can be any set of positive Lebesgue measure. We apply this local result to characterize the dominating sets for Bergman spaces on strongly pseudoconvex domains in terms of a density condition or a testing condition on the reproducing kernels. Our methods also yield a sufficient condition for arbitrary domains and lower-dimensional sets.

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