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In this paper, we investigate the uniqueness property of meromorphic functions together with its linear difference polynomial sharing two sets. Using the polynomial introduced in [FILOMAT 33(18)(2019), 6055-6072], we have improved the…

复变函数 · 数学 2020-09-29 Goutam Haldar

This paper is devoted to the uniqueness problem of the power of a meromorphic function with its differential polynomial sharing a set. Our result will extend a number of results obtained in the theory of normal families. Some questions are…

复变函数 · 数学 2022-09-15 Abhijit Banerjee , Bikash Chakraborty

In this paper, we prove some uniqueness theorems concerning the derivatives of meromorphic functions when they share three sets. The obtained results improve some recent existing results.

复变函数 · 数学 2017-05-11 Abhijit Banerjee , Sujoy Majumder , Bikash Chakraborty

In this paper, on the basis of a specific question raised in [6], we further continue our investigations on the uniqueness of a meromorphic function with its higher derivatives sharing two sets and answer the question affirmatively.…

复变函数 · 数学 2018-01-08 Abhijit Banerjee , Bikash Chakraborty

In the paper, we investigate the uniqueness problem of a power of an entire function that share one value partially with it's linear differential polynomial and obtain a result, which improves several previous results in a large scale. Also…

复变函数 · 数学 2025-09-25 Sujoy Majumder , Nabadwip Sarkar , Debabrata Pramanik

In this paper, we shall study the uniqueness problems on meromorphic functions sharing a polynomial. We give a complete answer to a problem posed by Fang Mingliang. Our results improve or generalize those given by Fang and Hua, Yang and…

复变函数 · 数学 2012-04-20 Xiao-Bin Zhang , Jun-Feng Xu , Hong-Xun Yi

In this paper, we have investigated the uniqueness problems of entire and meromorphic functions concerning differential polynomials sharing a small function. Our results radically extended and improved the results of Bhoosnurmath-Pujari and…

复变函数 · 数学 2019-07-01 Molla Basir Ahamed

In the paper, concerning a question of Yi [23], we study general criterion for the uniqueness of an L-function and a general meromorphic function. Our results improve and extend all the existing results in this direction [23, 18, 17, 4] to…

复变函数 · 数学 2025-12-22 Sanjay Mallick , Ripan Saha

Starting with a question of Yuan-Li-Yi [Value distribution of L-functions and uniqueness questions of F. Gross, Lithuanian Math. J., 58(2)(2018), 249-262] we have studied the uniqueness of a meromorphic function f and an L-function L…

数论 · 数学 2020-08-28 Abhijit Banerjee , Arpita Kundu

In the existing literature, many researchers consider the uniqueness of the power of a meromorphic function with its derivative counterpart share certain values or small functions. Here we consider the same problem under the aegis of a more…

复变函数 · 数学 2018-01-17 Abhijit Banerjee , Bikash Chakraborty

In this paper we prove a number of results concerning uniqueness of a meromorphic function as well as its derivative sharing one or two sets. In particular, we deal with the specific question raised in [18], [19], [20] and ultimately…

复变函数 · 数学 2022-09-15 Abhijit Banerjee , Bikash Chakraborty

We prove some uniqueness results which improve and generalize results of Jiang-Tao Li and Ping Li[Uniqueness of entire functions concerning differential polynomials. Commun. Korean Math. Soc. 30 (2015), No. 2, pp. 93-101].

复变函数 · 数学 2016-08-15 Kuldeep Singh Charak , Banarsi Lal

The purpose of the paper is to rectify a series of errors occurred in [2], [17], [20] for a particular situation. To get a fruitful solution and to overcome the issue, we introduce a new form of set sharing namely restricted set sharing,…

复变函数 · 数学 2021-03-02 Abhijit Banerjee , Arpita Kundu

In this paper, we prove some uniqueness results which improve and generalize several earlier works. Also, we prove a value distribution result concerning $f^{(k)}$ which provides a partial answer to a question of Fang and Wang [A note on…

复变函数 · 数学 2014-12-30 Kuldeep Singh Charak , Banarsi Lal

The uniqueness problems on transcendental meromorphic or entire functions sharing at least two values with their derivatives or linear differential polynomials have been studied and many results have been obtained. In this paper, we study a…

复变函数 · 数学 2014-05-08 Qi Han , Hongxun Yi

We consider the zeros distributions on the derivatives of difference polynomials of meromorphic functions, and present some results which can be seen as the discrete analogues of Hayman conjecture \cite{hayman1}, also partly answer the…

复变函数 · 数学 2011-07-06 Kai Liu , Xin-Ling Liu , Ting-Bin Cao

The purpose of the paper is to study the uniqueness problem of a $L$ function in the Selberg class sharing one or two sets with an arbitrary meromorphic function having finite poles. We manipulate the notion of weighted sharing of sets to…

数论 · 数学 2020-08-26 Abhijit Banerjee , Arpita Kundu

In this paper, we investigate the value distribution for linear q-difference polynomials of transcendental meromorphic functions of zero order which improves the results of Xu, Liu and Cao (\cite{Xu & Liu & Cao & 2015}). We also investigate…

复变函数 · 数学 2021-03-08 Goutam Haldar

In this paper, we continue to study the sharing value problems for higher order derivatives of meromorphic functions with its linear difference and $q$-difference operators. Some of our results generalize and improve the results of…

复变函数 · 数学 2021-07-27 Goutam Haldar

The paper is devoted to study the uniqueness problem of linear delay-differential operator of a meromorphic function sharing two sets or small function together with values with its $c$-shift and $q$-shift operator. Results of this paper…

复变函数 · 数学 2021-09-24 Arpita Roy , Abhijit Banerjee
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