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Bergman kernel and hyperconvexity index

Authors: Chen, Bo-Yong;

Bergman kernel and hyperconvexity index

Abstract

Let $��\subset {\mathbb C}^n$ be a bounded domain with the hyperconvexity index $��(��)>0$. Let $\varrho$ be the relative extremal function of a fixed closed ball in $��$ and set $��:=|\varrho|(1+|\log|\varrho||)^{-1}$, $��:=|\varrho|(1+|\log|\varrho||)^n$. We obtain the following estimates for the Bergman kernel: (1) For every $00$ such that $\int_��|\frac{K_��(\cdot,w)}{\sqrt{K_��(w)}}|^{p}\le C |��(w)|^{-\frac{(p-2) n}��}$ for all $w\in ��$. (2) For every $00$ such that $ \frac{|K_��(z,w)|^2}{K_��(z)K_��(w)}\le C (\min\{\frac{��(z)}{��(w)},\frac{��(w)}{��(z)}\})^r $ for all $z,w\in ��$. Various application of these estimates are given.

Minor changes. To appear in Analysis & PDE

Related Organizations
Keywords

Mathematics - Complex Variables, Plurisubharmonic extremal functions, pluricomplex Green functions, Integral representations; canonical kernels (Szegő, Bergman, etc.), FOS: Mathematics, 32A25, hyperconvexity index, 32U35, Complex Variables (math.CV), Bergman kernel

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
19
Top 10%
Top 10%
Average
Green
bronze