Bulletin of the
Korean Mathematical Society
BKMS

ISSN(Print) 1015-8634 ISSN(Online) 2234-3016

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Bull. Korean Math. Soc. 2020; 57(5): 1083-1094

Online first article September 1, 2020      Printed September 30, 2020

https://doi.org/10.4134/BKMS.b190483

Copyright © The Korean Mathematical Society.

On partial value sharing results of meromorphic functions with their shifts and its applications

Vangty Noulorvang, Duc Thoan Pham

National University of Education; National University of Civil Engineering

Abstract

In this paper, we give some uniqueness theorems of nonconstant meromorphic functions of hyper-order less than one sharing partially three or four small periodic functions with their shifts. As an application, some sufficient conditions for periodicity of meromorphic functions are given.Our results improve and extend previous results of W. Lin, X. Lin and A. Wu \cite{LLW}.

Keywords: Meromorphic functions, sharing partially values, uniqueness theorems

MSC numbers: Primary 32A22, 32H30; Secondary 30D35