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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 employ the theory of normal families in several complex variables to obtain some uniqueness theorems for entire functions. These results extend the related works of Li and Yi [11], and Lu et al. [18] to the setting of…

复变函数 · 数学 2026-05-12 Sujoy Majumder , Debabrata Pramanik , Shantanu Panja

We prove a uniqueness theorem for an entire function, which shares certain values with its higher order derivatives.

复变函数 · 数学 2014-05-02 Indrajit Lahiri , Rajib Mukherjee

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

In this paper, we continue to investigate the uniqueness problem when an entire function $f$ and its linear differential polynomial $L(f)$ share two distinct complex values CMW (counting multiplicities in the weak sense) jointly. Also, We…

复变函数 · 数学 2021-07-14 Goutam Haldar

Value distribution and uniqueness problems of difference operator of an entire function have been investigated in this article. This research shows that a finite ordered entire function $ f $ when sharing a set $ \mathcal{S}=\{\alpha(z),…

复变函数 · 数学 2020-07-30 Molla Basir Ahamed

In this paper, we investigate the sharing values problem that entire function $f(z)$ and its first order difference operator $\Delta_{\eta}f(z)$ share two distinct pairs of finite values IM. We prove: Let $f(z)$ be a non-constant entire…

复变函数 · 数学 2022-05-09 XiaoHuang Huang

We investigate uniqueness problems for an entire function that shares two small functions of finite order with their difference operators. In particular, we give a generalization of a result in $[2]$.

复变函数 · 数学 2015-05-11 Zinelâabidine Latreuch , Abdallah El Farissi , Benharrat Belaidi

In this paper, we investigate the uniqueness problem of entire functions that share an entire function with their higher-order difference operators. We obtain two results that confirm the conjectures posed by Liu and Laine \cite{LL1} and by…

复变函数 · 数学 2025-11-19 Nabadwip Sarkar , Debabrata Pramanik , Lata Mahato

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

In this paper, we study a problem of non-constant entire function $ f $ that shares a set $ \mathcal{S}=\{a,b,c\} $ with its $ k $-th derivative $ f^{(k)} $, where $ a, b $ and $ c $ are any three distinct complex numbers. We have found a…

复变函数 · 数学 2020-03-04 Molla Basir Ahamed

In this paper, we study uniqueness problems for an entire function that shares small functions of finite order with their difference operators. In particular, we give a generalization of results in [2,3,13].

In this paper, we investigate meromorphic solutions in $\mathbb{C}^m$ of the nonlinear differential equation \[\displaystyle f^n\partial_u(f)g^n\partial_u(g)=1,\] where $\partial_u(f)=\sum_{j=1}^mu_j\partial_j(f)$ and $\sum_{j=1}^m u_j\neq…

复变函数 · 数学 2025-11-14 Abhijit Banerjee , Sujoy Majumder , Debabrata Pramanik , Nabadwip Sarkar

Let $f$ be an entire function and $L(f)$ a linear differential polynomial in $f$ with constant coefficients. Suppose that $f$, $f'$, and $L(f)$ share a meromorphic function $\alpha(z)$ that is a small function with respect to $f$. A…

复变函数 · 数学 2024-01-26 Aimo Hinkkanen , Ilpo Laine

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

We determine all entire functions $f$ such that for nonzero complex values $a\neq b$ the implications $f=a \Rightarrow f' =a$ and $f' =b \Rightarrow f=b$ hold. This solves an open problem in uniqueness theory. In this context we give a…

复变函数 · 数学 2024-03-26 Andreas Sauer , Andreas Schweizer

In the paper, we investigate the uniqueness problem of entire function concerning its derivative and shift and obtain two results. On of our result solves the open problem posed by Majumder et al. (On a conjecture of Li and Yang, Hiroshima…

复变函数 · 数学 2025-10-14 Sujoy Majumder , Nabadwip Sarkar

The purpose of this paper is to obtain some sufficient conditions to determine the relation between a meromorphic function and an L-function when certain differential polynomial generated by them sharing a one degree polynomial. The main…

复变函数 · 数学 2020-08-24 Abhijit Banerjee , Saikat Bhattacharyya

In this paper, we investigate shared value problems for shifts and higher-order difference operators of meromorphic and entire functions in several complex variables. Using Nevanlinna theory in $\mathbb{C}^n$, we obtain new uniqueness…

复变函数 · 数学 2026-02-17 Abhijit Banerjee , Sujoy Majumder , Jhilik Banerjee

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
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