An approximate solution to Erdos' maximum modulus points problem

被引:3
|
作者
Glucksam, Adi [1 ]
Pardo-Simon, Leticia [2 ]
机构
[1] Northwestern Univ, Dept Math, Evanston, IL 60208 USA
[2] Univ Manchester, Dept Math, Manchester M13 9PL, England
基金
美国国家科学基金会;
关键词
Entire functions; Maximum modulus; Erdos' problem;
D O I
10.1016/j.jmaa.2023.127768
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this note we investigate the asymptotic behavior of the number of maximum modulus points, of an entire function, sitting in a disc of radius r. In 1964, Erdos asked whether there exists a non-monomial function so that this quantity is unbounded? tends to infinity? In 1968 Herzog and Piranian constructed an entire map for which it is unbounded. Nevertheless, it is still unknown today whether it is possible that it tends to infinity or not. In this paper, we construct a transcendental entire function that is arbitrarily close to satisfying this property, thereby giving the strongest evidence supporting a positive answer to this question.(c) 2023 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http:// creativecommons .org /licenses /by -nc -nd /4 .0/).
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页数:20
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