C\'ordoba's differentation theorem: revisited
Classical Analysis and ODEs
2022-06-01 v1
Abstract
In this paper we prove an exponential covering lemma implying the three dimensional case of a well-known conjecture formulated by A. Zygmund circa 1935 and solved by A. C\'ordoba in 1978. Our approach avoids a subtle argument involving the power series of the exponential function.
Cite
@article{arxiv.2205.15309,
title = {C\'ordoba's differentation theorem: revisited},
author = {Ángel D. Martínez},
journal= {arXiv preprint arXiv:2205.15309},
year = {2022}
}
Comments
arXiv admin note: text overlap with arXiv:1711.00803