Remarks on the Obrechkoff inequality
Complex Variables
2015-12-18 v1
Abstract
Oberchkoff's inequality says that a polynomial of degree d with non-negative coefficients has at most 2ad/pi zeros in the angle {|arg z|<a}. We improve and generalize this inequality, and study the case of equality.
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Cite
@article{arxiv.1409.4849,
title = {Remarks on the Obrechkoff inequality},
author = {Alexandre Eremenko and Alexander Fryntov},
journal= {arXiv preprint arXiv:1409.4849},
year = {2015}
}
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7 pages