INEQUALITIES CONCERNING THE MODULUS OF RATIONAL FUNCTIONS WITH FIXED ZEROS

Print ISSN: 0972-7752 | Online ISSN: 2582-0850 | Total Downloads :

Volume : 20 , Issue : 1
DOI: https://doi.org/10.56827/SEAJMMS.2024.2001.4
Author :
Arnisa Rasri (Department of Data Analytics and Actuarial Science, Faculty of Science at Sriracha Campus, Kasetsart University, Chon Buri, 20230, THAILAND)
Jiraphorn Somsuwan Phanwan (Department of Mathematics, Faculty of Science, Nakhon Phanom University, Nakhon Phanom, 48000, THAILAND )

Abstract

In this paper, we investigate the lower bound and the upper bound of the modulus of rational functions with fixed zeros. Some well-known results are generalized by our results.

Keywords and Phrases

Rational functions, Inequalities, zeros.

A.M.S. subject classification

30A05, 26D07, 30A10.

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