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Bibliographic Details
Main Author: Biehler, Nikiforos
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2506.02901
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Table of Contents:
  • We consider the class of standard weighted Bergman spaces $A^2_α(\mathbb{D})$ and the set $SF^N(\mathbb{T})$ of simple partial fractions of degree $N$ with poles on the unit circle. We prove that under certain conditions, the simple partial fractions of order $N$, with $n$ poles on the unit circle attain minimal norm if and only if the points are equidistributed on the unit circle. We show that this is not the case if the conditions we impose are not met, exhibiting a new interesting phenomenon. We find sharp asymptotics for these norms. Additionally we describe the closure of these fractions in the standard weighted Bergman spaces.