English

Bounds for weighted Chebyshev and residual polynomials on subsets of $\mathbb{R}$

Classical Analysis and ODEs 2025-02-18 v1

Abstract

We give upper and lower bounds for weighted Chebyshev and residual polynomials on subsets of the real line. As an application, we prove a Szeg\H{o}-type theorem in the setting of Parreau--Widom sets.

Keywords

Cite

@article{arxiv.2502.11424,
  title  = {Bounds for weighted Chebyshev and residual polynomials on subsets of $\mathbb{R}$},
  author = {Jacob S. Christiansen and Barry Simon and Maxim Zinchenko},
  journal= {arXiv preprint arXiv:2502.11424},
  year   = {2025}
}