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In this paper, we propose the invariant subspace approach to find exact solutions of time-fractional partial differential equations (PDEs) with time delay. An algorithmic approach of finding invariant subspaces for the generalized…

偏微分方程分析 · 数学 2020-06-26 P. Prakash , Sangita Choudhary , Varsha Daftardar-Gejji

We explain how the invariant subspace method can be extended to a scalar and coupled system of time-space fractional partial differential equations. The effectiveness and applicability of the method have been illustrated through time-space…

偏微分方程分析 · 数学 2020-07-17 P Prakash

In this paper we study some cases of time-fractional nonlinear dispersive equations (NDEs) involving Caputo derivatives, by means of the invariant subspace method. This method allows to find exact solutions to nonlinear time-fractional…

数学物理 · 物理学 2014-10-30 P. Artale Harris , R. Garra

This article develops how to generalize the invariant subspace method for deriving the analytical solutions of the multi-component (N+1)-dimensional coupled nonlinear time-fractional PDEs (NTFPDEs) in the sense of Caputo fractional-order…

偏微分方程分析 · 数学 2024-06-18 K. S. Priyendhu , P. Prakash , M. Lakshmanan

In this paper, we generalize the theory of the invariant subspace method to (m + 1)-dimensional non-linear time-fractional partial differential equations for the first time. More specifically, the applicability and efficacy of the method…

可精确求解与可积系统 · 物理学 2023-04-07 P. Prakash , K. S. Priyendhu , M. Lakshmanan

This work investigates how we can extend the invariant subspace method to two-dimensional time-fractional non-linear PDEs. More precisely, the systematic study has been provided for constructing the various dimensions of the invariant…

偏微分方程分析 · 数学 2022-01-03 P. Prakash , K. S. Priyendhu , K. M. Anjitha

This paper systematically explains how to apply the invariant subspace method using variable transformation for finding the exact solutions of the (k+1)-dimensional nonlinear time-fractional PDEs in detail. More precisely, we have shown how…

可精确求解与可积系统 · 物理学 2023-04-06 K. S. Priyendhu , P. Prakash , M. Lakshmanan

In this paper we study the analytic solutions of Burgers-type nonlinear fractional equations by means of the Invariant Subspace Method. We first study a class of nonlinear equations directly related to the time-fractional Burgers equation.…

可精确求解与可积系统 · 物理学 2013-06-11 P. Artale Harris , R. Garra

In the present paper invariant subspace method has been extended for solving systems of multi-term fractional partial differential equations (FPDEs) involving both time and space fractional derivatives. Further the method has also been…

偏微分方程分析 · 数学 2019-04-02 Sangita Choudhary , Varsha Daftardar-Gejji

In this paper, the invariant subspace method is applied to the time fractional modified Kuramoto-Sivashinsky partial differential equation. The obtained reduced system of nonlinear ordinary fractional equations is solved by the Laplace…

偏微分方程分析 · 数学 2015-03-31 A. Ouhadan , E. H. El Kinani

A new method that enables easy and convenient discretization of partial differential equations with derivatives of arbitrary real order (so-called fractional derivatives) and delays is presented and illustrated on numerical solution of…

This paper is devoted to the investigation of the nonnegative solutions and the stability and asymptotic properties of the solutions of fractional differential dynamic systems involving delayed dynamics with point delays. The obtained…

动力系统 · 数学 2010-09-23 Manuel De la Sen

The time-fractional diffusion equation is considered, where the time derivative is either of Caputo or Riemann-Liouville type. The solution of a general initial-boundary value problem with time-dependent boundary conditions over bounded and…

偏微分方程分析 · 数学 2023-01-04 M. Rodrigo

In this paper invariant subspace method has been employed for solving linear and non-linear fractional partial differential equations involving Caputo derivative. A variety of illustrative examples are solved to demonstrate the…

偏微分方程分析 · 数学 2017-04-18 Sangita Choudhary , Varsha Daftardar-Gejji

This article is in continuation of our earlier article [37] in which computational solution of an unified reaction-diffusion equation of distributed order associated with Caputo derivatives as the time-derivative and Riesz-Feller derivative…

偏微分方程分析 · 数学 2012-11-02 R. K. Saxena , A. M. Mathai , H. J. Haubold

The object of this paper is to present a computable solution of a fractional partial differential equation associated with a Riemann-Liouville derivative of fractional order as the time-derivative and Riesz-Feller fractional derivative as…

数学物理 · 物理学 2011-10-03 R. K. Saxena , A. M. Mathai , H. J. Haubold

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. This study considers a most generalized…

可精确求解与可积系统 · 物理学 2021-10-26 M. O. Aibinu , S. C. Thakur , S. Moyo

We investigate the behavior of the time derivatives of the solution to a linear time-fractional, advection-diffusion-reaction equation, allowing space- and time-dependent coefficients as well as initial data that may have low regularity.…

偏微分方程分析 · 数学 2020-03-24 William McLean , Kassem Mustapha , Raed Ali , Omar M. Knio

In this article, we develop a systematic approach of the invariant subspace method combined with variable transformation to find the generalized separable exact solutions of the nonlinear two-component system of time-fractional PDEs…

可精确求解与可积系统 · 物理学 2024-06-17 P. Prakash , K. S. Priyendhu , M. Lakshmanan

In this study, we present the numerical investigation of the Dirichlet-Neumann Waveform Relaxation (DNWR) algorithm applied to multiple subdomains for the reaction-diffusion equation with time delay. Various arrangements of transmission…

数值分析 · 数学 2026-02-16 Bankim C. Mandal , Deeksha Tomer
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