A note on Visser's inequality

M. Shafi^a, N. A. Rather^a, S. Gulzar<sup>b

a</sup> University of Kashmir, Srinagar, 190006 India
^b Government College for Engineering and Technology, Ganderbal, Kashmir, India

Abstract: Certain new estimates for the coefficients of a polynomial are obtained, which among other things furnishes new but equivalent forms of some well-known results of V.K. Jain and S. Gulzar.

Keywords: polynomial, Visser's inequality, inequality in the complex domain.

UDC: 517

Received: 22.12.2023
Revised: 19.02.2024
Accepted: 20.03.2024

DOI: 10.26907/0021-3446-2024-11-51-60

 English version: Russian Mathematics (Izvestiya VUZ. Matematika), 2024, 68:11, 44–52