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In this paper, we analyze the solutions of the following non-linear differential-difference equations f^n(z) +\omega f^(n-1)f'(z) +p(z)f(z+c) = p_1e^{\alpha}_1z +p_2e^{\alpha}_2z and f^n(z)f'(z) +q(z)e^Q(z)f(z+c) = p_1e^{\alpha}_1z…

Complex Variables · Mathematics 2026-04-29 Nidhi Gahlian

In this paper, we consider the entire solutions of nonlinear difference equation $$f^3+q(z)\Delta f=p_1 e^{\alpha_1 z}+ p_2 e^{\alpha_2 z} $$ where $q$ is a polynomial, and $p_1, p_2, \alpha_1, \alpha_2$ are nonzero constants with…

Complex Variables · Mathematics 2020-07-27 Feng Lü , Cuiping Li , Junfeng Xu

We study about solutions of certain kind of non-linear differential difference equations $$f^{n}(z)+wf^{n-1}(z)f^{'}(z)+f^{(k)}(z+c)=p_{1}e^{\alpha_{1}z}+p_{2}e^{\alpha_{2}z}$$ and…

Complex Variables · Mathematics 2023-05-22 Garima Pant , Sanjay Kumar Pant

The existence of sufficiently many finite order meromorphic solutions of a differential equation, or difference equation, or differential-difference equation, appears to be a good indicator of integrability. In this paper, we investigate…

Classical Analysis and ODEs · Mathematics 2018-08-14 Li-Hao Wu , Ran-Ran Zhang , Zhi-Bo Huang

In this paper, we study about existence and non-existence of finite order transcendental entire solutions of the certain non-linear differential-difference equations. We also study about conjectures posed by Rong et al. and Chen et al.

Complex Variables · Mathematics 2021-07-30 Garima Pant , Sanjay Kumar Pant

In this paper, we study the transcendental meromorphic solutions for the nonlinear differential equations: $f^{n}+P(f)=R(z)e^{\alpha(z)}$ and $f^{n}+P_{*}(f)=p_{1}(z)e^{\alpha_{1}(z)}+p_{2}(z)e^{\alpha_{2}(z)}$ in the complex plane, where…

Complex Variables · Mathematics 2020-02-04 Nan Li , Lianzhong Yang

In this paper, utilizing Nevanlinna theory, we study existence and forms of the entire solutions $ f $ of the quadratic trinomial-type partial differential-difference equations in $ \mathbb{C}^n $ \begin{align*} a\left(\alpha\dfrac{\partial…

Complex Variables · Mathematics 2023-07-18 Sanju Mandal , Molla Basir Ahamed

In this paper, for a transcendental meromorphic function $f$ and $a\in \mathbb{C}$, we have exhaustively studied the nature and form of solutions of a new type of non-linear differential equation of the following form which has never been…

Complex Variables · Mathematics 2021-11-23 Tania Biswas , Sayantan Maity , Abhijit Banerjee

In this paper, we study the growth of transcendental entire solutions of linear difference equations \begin{equation} P_m(z)\Delta^mf(z)+\cdots+P_1(z)\Delta f(z)+P_0(z)f(z)=0,\tag{+} \end{equation} where $P_j(z)$ are polynomials for…

Complex Variables · Mathematics 2025-04-04 Xiong-Feng Liu , Zhi-Tao Wen , Can-Xin Zhu

For a second order linear differential equation $f''+A(z)f'+B(z)f=0$, with $ A(z)$ and $B(z)$ being transcendental entire functions under some restriction, we have established that all non-trivial solutions are of infinite order. In…

Complex Variables · Mathematics 2020-07-29 Manisha Saini , Sanjay Kumar

This article is devoted to the study of solutions of non-homogenous linear differential equations having entire coefficients. We get all non-trivial solutions of infinite order of equation $f^{(n)}+a_{n-1}(z)f^{(n-1)}+\ldots…

Complex Variables · Mathematics 2022-08-24 Naveen Mehra , S. K. Chanyal

For two meromorphic functions $ f $ and $ g $, the equation $ f^m+g^m=1 $ can be regarded as Fermat-type equations. Using Nevanlinna theory for meromorphic functions in several complex variables, the main purpose of this paper is to…

Complex Variables · Mathematics 2022-01-26 Goutam Haldar

We study the question posed by G. Gundersen and C. C. Yang, in which the following two types of binomial differential equations are investigated, $$ a(z)f'f''-b(z)(f)^{2}=c(z)e^{2d(z)},~~a(z)ff'-b(z)(f'')^{2}=c(z)e^{2d(z)}, $$ where $a(z)$,…

Complex Variables · Mathematics 2025-01-17 Jianren Long , Mengting Xia , Xuxu Xiang

In this paper, we have characterized the nature and form of solutions of the following non-linear delay-differential equation: $$f^{n}(z)+\sum_{i=1}^{n-1}b_{i}f^{i}(z)+q(z)e^{Q(z)}L(z,f)=P(z),$$ where $b_i\in\mathbb{C}$, $L(z,f)$ be a…

Complex Variables · Mathematics 2021-07-13 Abhijit Banerjee , Tania Biswas

In this paper, we mainly investigate on the finite order transcendental entire solutions of two Fermat types delay-differential and one Fermat type c-shift equations, as these types were not considered earlier. Our results improve those of…

Complex Variables · Mathematics 2021-05-06 Abhijit Banerjee , Tania Biswas

In this paper, using Nevanlinna's value distribution theory of meromorphic functions in several complex variables, we study for the existence of entire solutions $f$ in $\mathbb{C}^2$ of the following partial differential equation…

Complex Variables · Mathematics 2025-11-14 Junfeng Xu , Nabadwip Sarkar , Sujoy Majumder

In this paper we mainly study the existence and the form of entire solutions with finite order for the following system of Fermat-type difference and partial differential-difference equations $$\begin{cases} f_1(z)^2+(\Delta_cf_2(z))^2=1\cr…

Complex Variables · Mathematics 2022-01-27 Goutam Haldar

In this paper, we study the existence and non-existence of entire solutions of certain non-linear delay-differential equations.

Complex Variables · Mathematics 2024-07-30 Nidhi Gahlian

In this paper, we study all possible orders which are less than 1 of transcendental entire solutions of linear difference equations \begin{equation} P_m(z)\Delta^mf(z)+\cdots+P_1(z)\Delta f(z)+P_0(z)f(z)=0,\tag{+} \end{equation} where…

Complex Variables · Mathematics 2023-01-18 Katsuya Ishizaki , Zhi-Tao Wen

The aim of this study is to investigate the precise form of finite-order entire solutions to the following system of Fermat-type partial differential-difference equations: \beas \begin{cases} \left(\frac{\partial f_1\left(z_1, z_2, \ldots,…

Complex Variables · Mathematics 2025-12-03 Junfeng Xu , Sujoy Majumder , Debabrata Pramanik
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