Results 21 to 30 of about 175,966,960 (244)

Characterization of P-Semi Homogenous System of Difference Equations

Al-Mustansiriyah Journal of Science, 2023
The primary aim of this paper is to define new concepts, A homogenous system  of difference equations is called -semi homogenous of order  if there exists a non-zero matrix
Abdul Samad Ibrahim Hussein, Bassam Jabbar Al-Asadi   +1 more
doaj   +1 more source

Nontrivial Solutions for a System of Fractional q-Difference Equations Involving q-Integral Boundary Conditions

, 2020
In this paper, we study the existence of nontrivial solutions for a system of fractional q-difference equations involving q-integral boundary conditions, and we use the topological degree to establish our main results by considering the first eigenvalue ...
Jiafa Xu, Jie Liu, Donal O’Regan, Yaohong Li   +3 more
core   +1 more source

Solution for Rational Systems of Difference Equations of Order Three

Mathematics, 2016
In this paper, we consider the solution and periodicity of the following systems of difference equations: x n + 1 = y n − 2 − 1 + y n − 2 x n − 1 y n , y n + 1 = x n − 2 ± 1 ± x n − 2 y n − 1 x n
Mohamed M. El-Dessoky
doaj   +1 more source

On a higher-order system of difference equations

Electronic Journal of Qualitative Theory of Differential Equations, 2013
Here we study the following system of difference equations \begin{align} x_n&=f^{-1}\bigg(\frac{c_nf(x_{n-2k})}{a_n+b_n\prod_{i=1}^kg(y_{n-(2i-1)})f(x_{n-2i})}\bigg),\nonumber\\ y_n&=g^{-1}\bigg(\frac{\gamma_n g(y_{n-2k})}{\alpha_n+\beta_n \prod_{i=1}^kf(
Stevo Stevic, Mohammed Alghamdi, Abdullah Alotaibi, N. Shahzad   +3 more
doaj   +1 more source

On a System of Difference Equations

Discrete Dynamics in Nature and Society, 2013
We have investigated the periodical solutions of the system of rational difference equations , and where .
Ozan Özkan, Abdullah Selçuk Kurbanli
doaj   +1 more source

Qualitative behavior of a system of second order difference equations [PDF]

European Journal of Mathematics and Applications, 2021
In this paper, we deal with the following system of rational difference equations $$\chi_{n+1}\,=\,{\alpha_1\,\chi_{n-1}\,\tau_{n-1}\over{\beta+\tau_{n-1}}}\,\,\,\,\,\,\text{and}\,\,\,\,\,\,\tau_{n+1}\,=\,{\alpha_{2}\,\chi_{n}\,\tau_{n}\over{\beta+\chi_ ...
E. M. Elsayed, A. Alshareef
doaj   +1 more source

Periodicities of a System of Difference Equations

Journal of Function Spaces, 2017
We study the periodicities of a system of difference equations xn+1=max1/xn,An/yn-k,yn+1=max1/yn,Bn/xn-k, where initial values (x-k,y-k),…,(x0,y0)∈(0,+∞)×(0,+∞).
Weizhen Quan, Miaoqiao Pan, Xiaopei Li
doaj   +1 more source

Spatio-temporal numerical modelling of whooping cough dynamics [PDF]

, 2001
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The SIR (Susceptible/Infectious/Recovered) whooping cough model involving nonlinear ordinary differential equations is studied and extended to incorporate (
Piyawong, Wirawan
core   +6 more sources

Representations of solutions to linear and bilinear difference equations and systems of bilinear difference equations

Advances in Difference Equations, 2018
We represent general solution to a homogeneous linear difference equation of second order in terms of a specially chosen solution to the equation and apply it to get a representation of general solution to the bilinear difference equation in terms of a ...
Stevo Stević
doaj   +1 more source

Structure and Explicit of Solutions for a Third-Order System of Rational Difference Equations

Mathematics
This paper investigates the qualitative behavior, global dynamics, and explicit solution forms of four distinct coupled systems of third-order rational difference equations.
Burak Oğul
doaj   +1 more source