English

Parity of Polynomial Multiplier Sequences for the Chebyshev Basis

Complex Variables 2023-11-08 v2

Abstract

We demonstrate that if pR[x]p\in\mathbb{R}[x] and pp is not an even function, then {p(k)}k=0\{p(k)\}^{\infty}_{k=0} is not a multiplier sequence for the basis of Chebyshev polynomials of the first kind. We also give a characterization of geometric multiplier sequences for the Chebyshev basis.

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Cite

@article{arxiv.2206.14405,
  title  = {Parity of Polynomial Multiplier Sequences for the Chebyshev Basis},
  author = {Andrzej Piotrowski and Joshua Shterenberg},
  journal= {arXiv preprint arXiv:2206.14405},
  year   = {2023}
}

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14 pages