Combining Riesz bases
Classical Analysis and ODEs
2014-04-16 v2
Abstract
We show that any finite union of intervals supports a Riesz basis of exponentials
Cite
@article{arxiv.1210.6383,
title = {Combining Riesz bases},
author = {Gady Kozma and Shahaf Nitzan},
journal= {arXiv preprint arXiv:1210.6383},
year = {2014}
}
Comments
New version contains a much-improved proof of the number-theoretical part, courtesy of Fedor Nazarov. To appear in Invent. Math