English

Ultraspherical multipliers revisited

Classical Analysis and ODEs 2016-09-06 v1

Abstract

Sufficient ultraspherical multiplier criteria are refined in such a way that they are comparable with necessary multiplier conditions. Also new necessary conditions for Jacobi multipliers are deduced which, in particular, imply known Cohen type inequalities. Muckenhoupt's transplantation theorem is used in an essential way.

Keywords

Cite

@article{arxiv.math/9504216,
  title  = {Ultraspherical multipliers revisited},
  author = {George Gasper and Walter Trebels},
  journal= {arXiv preprint arXiv:math/9504216},
  year   = {2016}
}