English

The uniqueness problem for the 3-Point Nevanlinna-Pick extremal interpolation problem in the unit Euclidean ball $\Bn{d}$

Complex Variables 2025-09-16 v2

Abstract

Agler and McCarthy studied the uniqueness of a 3-point interpolation problem in the bidisc. This note aims to solve an analogous problem in the unit Euclidean ball in an arbitrary dimension.

Keywords

Cite

@article{arxiv.2509.09579,
  title  = {The uniqueness problem for the 3-Point Nevanlinna-Pick extremal interpolation problem in the unit Euclidean ball $\Bn{d}$},
  author = {Dariusz Piekarz},
  journal= {arXiv preprint arXiv:2509.09579},
  year   = {2025}
}