A Note on Kernel Functions of Dirichlet Spaces

Fuente: arXiv
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Autores principales: Gehlawat, Sahil, Jain, Aakanksha, Sarkar, Amar Deep
Formato: Preprint
Publicado: 2024
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author Gehlawat, Sahil
Jain, Aakanksha
Sarkar, Amar Deep
author_facet Gehlawat, Sahil
Jain, Aakanksha
Sarkar, Amar Deep
contents For a planar domain $Ω$, we consider the Dirichlet spaces with respect to a base point $ζ\inΩ$ and the corresponding kernel functions. It is not known how these kernel functions behave as we vary the base point. In this note, we prove that these kernel functions vary smoothly. As an application of the smoothness result, we prove a Ramadanov-type theorem for these kernel functions on $Ω\timesΩ$. This extends the previously known convergence results of these kernel functions. In fact, we have made these observations in a more general setting, that is, for weighted kernel functions and their higher-order counterparts.
format Preprint
id arxiv_https___arxiv_org_abs_2402_07457
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A Note on Kernel Functions of Dirichlet Spaces
Gehlawat, Sahil
Jain, Aakanksha
Sarkar, Amar Deep
Complex Variables
30H20, 46E22 (Primary) 30C40 (Secondary)
For a planar domain $Ω$, we consider the Dirichlet spaces with respect to a base point $ζ\inΩ$ and the corresponding kernel functions. It is not known how these kernel functions behave as we vary the base point. In this note, we prove that these kernel functions vary smoothly. As an application of the smoothness result, we prove a Ramadanov-type theorem for these kernel functions on $Ω\timesΩ$. This extends the previously known convergence results of these kernel functions. In fact, we have made these observations in a more general setting, that is, for weighted kernel functions and their higher-order counterparts.
title A Note on Kernel Functions of Dirichlet Spaces
topic Complex Variables
30H20, 46E22 (Primary) 30C40 (Secondary)
url https://arxiv.org/abs/2402.07457