English

A bound for Mean values of Fourier transforms

Functional Analysis 2017-07-20 v1

Abstract

We show that there exists a sequence {nk,k1}\{n_k, k\ge 1\} growing at least geometrically such that for any finite non-negative measure ν\nu such that ν^0\hat \nu\ge 0, any T>0T>0, 2nkT2nkTν^(x)\ddx\eT22(1+\e)nkRsinxTxTnk2ν(\ddx). \int_{-2^{n_k} T}^{2^{n_k} T} \hat \nu(x) \dd x \ll_\e T\,2^{2^{(1+\e)n_k}} \int_\R \Big|{\sin {xT} \over xT} \Big|^{n_k^2} \nu(\dd x).

Keywords

Cite

@article{arxiv.1105.3048,
  title  = {A bound for Mean values of Fourier transforms},
  author = {Michel Weber},
  journal= {arXiv preprint arXiv:1105.3048},
  year   = {2017}
}
R2 v1 2026-06-21T18:07:46.908Z