Spatial patterns through diffusion-driven instability in modified predator–prey models with chaotic behaviors

KM Owolabi, S Jain - Chaos, Solitons & Fractals, 2023 - Elsevier
Understanding the connection between spatial patterns in population densities and
ecological heterogeneity is significant to the understanding of population dynamics and the …

[HTML][HTML] Application of a time-fractal fractional derivative with a power-law kernel to the Burke-Shaw system based on Newton's interpolation polynomials

N Almutairi, S Saber - MethodsX, 2024 - Elsevier
This paper proposes some updated and improved numerical schemes based on Newton's
interpolation polynomial. A Burke-Shaw system of the time-fractal fractional derivative with a …

[HTML][HTML] On the solution of fractional differential equations using Atangana's beta derivative and its applications in chaotic systems

MH Akrami, KM Owolabi - Scientific African, 2023 - Elsevier
In this research, we examine the solution of ordinary fractional differential equations using
Atangana's beta derivative. Our approach is divided into two parts. First, we establish …

Single-term and multi-term nonuniform time-stepping approximation methods for two-dimensional time-fractional diffusion-wave equation

S Kumari, RK Pandey - Computers & Mathematics with Applications, 2023 - Elsevier
The aim of this work is to propose two efficient schemes to handle the accuracy near the
singularity at t= 0 in solving two-dimensional time-fractional diffusion-wave equation …

Alternating direction implicit approach for the two-dimensional time fractional nonlinear Klein–Gordon and Sine–Gordon problems

S Kumari, RK Pandey - … in Nonlinear Science and Numerical Simulation, 2024 - Elsevier
The aim of this article is to establish a numerical scheme to achieve the theoretical accuracy
near the weak singularity at t= 0 in solving the two-dimensional time-fractional nonlinear …

Dynamics of the time-fractional reaction–diffusion coupled equations in biological and chemical processes

A Ghafoor, M Fiaz, M Hussain, A Ullah, EAA Ismail… - Scientific Reports, 2024 - nature.com
This paper aims to demonstrate a numerical strategy via finite difference formulations for
time fractional reaction–diffusion models which are ubiquitous in chemical and biological …

[HTML][HTML] Analysis of fractional Euler-Bernoulli bending beams using Green's function method

A Khabiri, A Asgari, R Taghipour… - Alexandria Engineering …, 2024 - Elsevier
This paper deals with the effect of fractional order on the fractional Euler-Bernoulli beams
model. This model is based on the elastic curve that can be approximated using tangent …

[PDF][PDF] Communicable disease model in view of fractional calculus.

WG Alharbi, AF Shater, A Ebaid, C Cattani… - Applied Mathematics …, 2023 - researchgate.net
The COVID-19 pandemic still gains the attention of many researchers worldwide. Over the
past few months, China faced a new wave of this pandemic which increases the risk of its …

Dynamical instabilities cause extreme events in a theoretical Brusselator model

SV Manivelan, S Sabarathinam, K Thamilmaran… - Chaos, Solitons & …, 2024 - Elsevier
In this manuscript, we report the rich dynamics of the theoretical Brusselator model, which is
driven by a periodic external force. We observed and confirmed a variety of dynamical …

[HTML][HTML] Analytical solutions for a class of variable-order fractional Liu system under time-dependent variable coefficients

KIA Ahmed, HDS Adam, N Almutairi, S Saber - Results in Physics, 2024 - Elsevier
In this article, we present a nonlinear model of the Liu system that includes fractional
derivatives of variable-order. Due to the nonlocality of the dynamical system, we introduce …