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Representation of functions by logarithmic potential and reducibility of analytic functions of several variables.

A. B. Sekerin (1996)

Collectanea Mathematica

The necessary and sufficient condition that a given plurisubharmonic or a subharmonic function admits the representation by the logarithmic potential (up to pluriharmonic or a harmonic term) is obtained in terms of the Radon transform. This representation is applied to the problem of representation of analytic functions by products of primary factors.

Reproducing kernels for Dunkl polyharmonic polynomials

Kamel Touahri (2012)

Commentationes Mathematicae Universitatis Carolinae

In this paper, we compute explicitly the reproducing kernel of the space of homogeneous polynomials of degree n and Dunkl polyharmonic of degree m , i.e. Δ k m u = 0 , m { 0 } , where Δ k is the Dunkl Laplacian and we study the convergence of the orthogonal series of Dunkl polyharmonic homogeneous polynomials.

Reproducing kernels for holomorphic functions on some balls related to the Lie ball

Keiko Fujita (2007)

Annales Polonici Mathematici

We consider holomorphic functions and complex harmonic functions on some balls, including the complex Euclidean ball, the Lie ball and the dual Lie ball. After reviewing some results on Bergman kernels and harmonic Bergman kernels for these balls, we consider harmonic continuation of complex harmonic functions on these balls by using harmonic Bergman kernels. We also study Szegő kernels and harmonic Szegő kernels for these balls.

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