A remark and an improved version on recent results concerning rational functions

Nirmal Kumar Singha, Barchand Chanam

National Institute of Technology Manipur

Abstract: This paper extends as a lemma an auxiliary result obtained by Singh and Chanam. Using it, we prove a refinement of the Turán-type inequality for rational functions obtained recently by Akhter et al. Next, using examples, we discuss the result of Mir et al.

Keywords: Rational function, Polynomial, Inequalities in complex domain

Language: English

DOI: 10.15826/umj.2025.1.009