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author:

Lin, R. (Lin, R..) [1] | Liu, F. (Liu, F..) [2] | Anh, V. (Anh, V..) [3] | Turner, I. (Turner, I..) [4]

Indexed by:

Scopus

Abstract:

In this paper, we consider the variable-order nonlinear fractional diffusion equationfrac(∂ u (x, t), ∂ t) = B (x, t) x Rα (x, t) u (x, t) + f (u, x, t),where x Rα (x, t) is a generalized Riesz fractional derivative of variable order α (x, t) (1 < α (x, t) ≤ 2) and the nonlinear reaction term f (u, x, t) satisfies the Lipschitz condition | f (u1, x, t) - f (u2, x, t) | ≤ L | u1 - u2 |. A new explicit finite-difference approximation is introduced. The convergence and stability of this approximation are proved. Finally, some numerical examples are provided to show that this method is computationally efficient. The proposed method and techniques are applicable to other variable-order nonlinear fractional differential equations. Crown Copyright © 2009.

Keyword:

Convergence; Explicit difference approximation; Fractional calculus; Nonlinear fractional diffusion equation; Stability; Variable order

Community:

  • [ 1 ] [Lin, R.]School of Mathematical and Computer Sciences, Fuzhou University, Fuzhou, 350002, China
  • [ 2 ] [Liu, F.]School of Mathematical Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, QLD 4001, Australia
  • [ 3 ] [Liu, F.]School of Mathematical Sciences, South China University of Technology, Guangzhou, 510640, China
  • [ 4 ] [Anh, V.]School of Mathematical Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, QLD 4001, Australia
  • [ 5 ] [Turner, I.]School of Mathematical Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, QLD 4001, Australia

Reprint 's Address:

  • [Liu, F.]School of Mathematical Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, QLD 4001, Australia

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Source :

Applied Mathematics and Computation

ISSN: 0096-3003

Year: 2009

Issue: 2

Volume: 212

Page: 435-445

1 . 1 2 4

JCR@2009

3 . 5 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 277

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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