Results 21 to 30 of about 1,101,646 (327)

The study of solutions for several systems of PDDEs with two complex variables

open access: yesDemonstratio Mathematica, 2023
The purpose of this article is to describe the properties of the pair of solutions of several systems of Fermat-type partial differential difference equations.
Xu Yi Hui, Liu Xiao Lan, Xu Hong Yan
doaj   +1 more source

Results on the solutions of several second order mixed type partial differential difference equations

open access: yesAIMS Mathematics, 2022
This article is concerned with the existence of entire solutions for the following complex second order partial differential-difference equation $ \left(\frac{\partial^2 f(z_1, z_2)}{\partial z_1^2}+\frac{\partial^2 f(z_1, z_2)}{\partial z_2^2 ...
Wenju Tang, Keyu Zhang, Hongyan Xu
doaj   +1 more source

Entire solutions for several complex partial differential-difference equations of Fermat type in ℂ2

open access: yesOpen Mathematics, 2021
By utilizing the Nevanlinna theory of meromorphic functions in several complex variables, we mainly investigate the existence and the forms of entire solutions for the partial differential-difference equation of Fermat type α∂f(z1,z2)∂z1+β∂f(z1,z2)∂z2m+f(
Gui Xian Min   +3 more
doaj   +1 more source

Some results on transcendental entire solutions to certain nonlinear differential-difference equations

open access: yesAIMS Mathematics, 2021
In this paper, we study the transcendental entire solutions for the nonlinear differential-difference equations of the forms: $ \begin{eqnarray*} f^{2}(z)+\widetilde{\omega} f(z)f'(z)+q(z)e^{Q(z)}f(z+c) = u(z)e^{v(z)}, \end{eqnarray*} $ and $ \
Nan Li, Jiachuan Geng, Lianzhong Yang
doaj   +1 more source

Entire solutions for several Fermat type differential difference equations

open access: yesAIMS Mathematics, 2022
This paper is devoted to investigate the existence and the forms of entire solutions of several Fermat type quadratic trinomial differential difference equations. Our results improve some results due to Liu and Yang [An. Stiint. Univ. Al. I.
Minghui Zhang   +2 more
doaj   +1 more source

Multiple interpolation with the fast-growing knots in the class of entire functions and its application [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2022
The conditions for the sequence of complex numbers (bn,k) are obtained, such that the interpolation problem g(k-1)(λn) = bn,k, k ∈ 1, s, n ∈ N, where |λk/λk+1| ≤ ∆ < 1, has a unique solution in some classes of entire functions g for which Mg(r) ≤ c1 exp (
I. Sheparovych
doaj   +1 more source

Minimum action solutions of nonhomogeneous Schrödinger equations

open access: yesAdvances in Nonlinear Analysis, 2020
In this paper, we are concerned with the qualitative analysis of solutions to a general class of nonlinear Schrödinger equations with lack of compactness.
Ahmad Bashir, Alsaedi Ahmed
doaj   +1 more source

Entire solutions for several general quadratic trinomial differential difference equations

open access: yesOpen Mathematics, 2021
This paper is devoted to exploring the existence and the forms of entire solutions of several quadratic trinomial differential difference equations with more general forms.
Luo Jun, Xu Hong Yan, Hu Fen
doaj   +1 more source

The Exact Solutions for Several Partial Differential-Difference Equations with Constant Coefficients

open access: yesMathematics, 2022
This article is concerned with the description of the entire solutions of several Fermat type partial differential-difference equations (PDDEs) μf(z)+λfz1(z)2+[αf(z+c)−βf(z)]2=1, and μf(z)+λ1fz1(z)+λ2fz2(z)2+[αf(z+c)−βf(z)]2=1, where fz1(z)=∂f∂z1 and fz2(
Hongyan Xu   +2 more
doaj   +1 more source

Solutions for Several Quadratic Trinomial Difference Equations and Partial Differential Difference Equations in C2

open access: yesAxioms, 2021
This article is to investigate the existence of entire solutions of several quadratic trinomial difference equations f(z+c)2+2αf(z)f(z+c)+f(z)2=eg(z), and the partial differential difference equations f(z+c)2+2αf(z+c)∂f(z)∂z1+∂f(z)∂z12=eg(z),f(z+c)2+2αf ...
Hong Li, Hongyan Xu
doaj   +1 more source

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