论文标题

M谐波繁殖球上的核

M-harmonic reproducing kernels on the ball

论文作者

Englis, Miroslav, Youssfi, El-Hassan

论文摘要

使用Koornwinder,Folland和其他作者引起的统一球形谐波的机械,我们〜获得Szegö的扩展以及$ M $ harmonic函数的加权伯格曼核,即不变的laplacian在$ n $ n $ -space的单位球上不变的laplacian an灭的功能。在多变量和单个可验证的超几何功能方面,这产生了$ M $ harmonicszegöKernel的明确公式,并且还表明,对于相应的加权伯格曼核心,最有可能没有明确的(“封闭”)公式。

Using the machinery of unitary spherical harmonics due to Koornwinder, Folland and other authors, we~obtain expansions for the Szegö and the weighted Bergman kernels of $M$-harmonic functions, i.e.~functions annihilated by the invariant Laplacian on the unit ball of the complex $n$-space. This yields, among others, an explicit formula for the $M$-harmonic Szegö kernel in terms of multivariable as well as single-variable hypergeometric functions, and also shows that most likely there is no explicit (``closed'') formula for the corresponding weighted Bergman kernels.

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