Results 1 to 10 of about 52,022 (118)

Dynamics of Fractional Delayed Reaction-Diffusion Equations [PDF]

open access: yesEntropy, 2023
The long-term behavior of the weak solution of a fractional delayed reaction–diffusion equation with a generalized Caputo derivative is investigated.
Linfang Liu, Juan J. Nieto
doaj   +2 more sources

Learning Interactions in Reaction Diffusion Equations by Neural Networks [PDF]

open access: yesEntropy, 2023
Partial differential equations are common models in biology for predicting and explaining complex behaviors. Nevertheless, deriving the equations and estimating the corresponding parameters remains challenging from data.
Sichen Chen   +3 more
doaj   +2 more sources

Fractal-fractional advection–diffusion–reaction equations by Ritz approximation approach

open access: yesOpen Physics, 2023
In this work, we propose the Ritz approximation approach with a satisfier function to solve fractal-fractional advection–diffusion–reaction equations. The approach reduces fractal-fractional advection–diffusion–reaction equations to a system of algebraic
Md Nasrudin Farah Suraya   +2 more
doaj   +1 more source

Structural stability for scalar reaction-diffusion equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2023
In this paper, we prove the structural stability for a family of scalar reaction-diffusion equations. Our arguments consist of using invariant manifold theorem to reduce the problem to a finite dimension and then, we use the structural stability of Morse–
Jihoon Lee, Leonardo Pires
doaj   +1 more source

Exact Solutions of Reaction–Diffusion PDEs with Anisotropic Time Delay

open access: yesMathematics, 2023
This study is devoted to reaction–diffusion equations with spatially anisotropic time delay. Reaction–diffusion PDEs with either constant or variable transfer coefficients are considered.
Andrei D. Polyanin, Vsevolod G. Sorokin
doaj   +1 more source

Exact solutions of nonlinear delay reaction–diffusion equations with variable coefficients

open access: yesPartial Differential Equations in Applied Mathematics, 2021
A modified method of functional constraints is used to construct the exact solutions of nonlinear equations of reaction–diffusion type with delay and which are associated with variable coefficients.
M.O. Aibinu, S.C. Thakur, S. Moyo
doaj   +1 more source

Numerical Solutions of Space-Fractional Advection–Diffusion–Reaction Equations

open access: yesFractal and Fractional, 2021
Background: solute transport in highly heterogeneous media and even neutron diffusion in nuclear environments are among the numerous applications of fractional differential equations (FDEs), being demonstrated by field experiments that solute ...
Valentina Anna Lia Salomoni   +1 more
doaj   +1 more source

Study of ODE limit problems for reaction-diffusion equations [PDF]

open access: yesOpuscula Mathematica, 2018
In this work we study ODE limit problems for reaction-diffusion equations for large diffusion and we study the sensitivity of nonlinear ODEs with respect to initial conditions and exponent parameters.
Jacson Simsen   +2 more
doaj   +1 more source

Random attractors for stochastic retarded reaction-diffusion equations with multiplicative white noise on unbounded domains

open access: yesOpen Mathematics, 2018
In this paper we investigate the stochastic retarded reaction-diffusion equations with multiplicative white noise on unbounded domain ℝn (n ≥ 2). We first transform the retarded reaction-diffusion equations into the deterministic reaction-diffusion ...
Jia Xiaoyao, Ding Xiaoquan, Gao Juanjuan
doaj   +1 more source

The gradient discretisation method for the chemical reactions of biochemical systems [PDF]

open access: yesArab Journal of Mathematical Sciences
Purpose – The main purpose of this paper is to introduce the gradient discretisation method (GDM) to a system of reaction diffusion equations subject to non-homogeneous Dirichlet boundary conditions.
Yahya Alnashri, Hasan Alzubaidi
doaj   +1 more source

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