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Random zero sets for Bergman spaces

Published online by Cambridge University Press:  01 May 2003

MARIA NOWAK
Affiliation:
Department of Mathematics, M. Curie-Skłodowska University, Plac M. Curie-Skłodowskiej 1, 20-301 Lublin, Poland. e-mail: nowakm@golem.umcs.lublin.pl
PIOTR WANIURSKI
Affiliation:
Department of Mathematics, M. Curie-Skłodowska University, Plac M. Curie-Skłodowskiej 1, 20-301 Lublin, Poland. e-mail: peter@golem.umcs.lublin.pl

Abstract

For $0<p<\infty$, the Bergman space $A^p$ consists of functions $f$ analytic in the unit disk $\Bbb D$ such that

$$\int_{\Bbb D}|f(z)|^p\,dA(z)<\infty,$$

where $dA(z)$ is the Lebesgue area measure on $\Bbb D.$ We say that a sequence of points $\{z_n\}$ in $\Bbb D$ is an $A^p$ zero set if some function $f\in A^p$ vanishes precisely on this set. Many interesting results about zero sets for Bergman spaces have been obtained by Horowitz [Ho1, Ho2], Korenblum [K] and Seip [S]. The reader is also referred to [HKZ]. The probabilistic approach to the study of $A^p$ zero sets was initiated by Leblanc [LeB] who proved a sufficient condition for a sequence $\{z_n\}$ to be an $A^2$ zero set almost certainly when the arguments of $z_n$ are chosen at random. His results have been improved and extended to $0<p\le 2$ by Bomash [Bo].

Type
Research Article
Copyright
2003 Cambridge Philosophical Society

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