Numerical methods for time-fractional evolution equations with nonsmooth data: a concise overview

B Jin, R Lazarov, Z Zhou - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
Over the past few decades, there has been substantial interest in evolution equations that
involve a fractional-order derivative of order α∈(0, 1) in time, commonly known as …

[图书][B] Fractional differential equations

B Jin - 2021 - Springer
Fractional differential equations (FDES), ie, differential equations involving fractional-order
derivatives, have received much recent attention in engineering, physics, biology and …

Well-posedness results for a class of semi-linear super-diffusive equations

E Alvarez, CG Gal, V Keyantuo, M Warma - Nonlinear Analysis, 2019 - Elsevier
In this paper we investigate the following fractional order in time Cauchy problem D t α u (t)+
A u (t)= f (u (t)), 1< α< 2, u (0)= u 0, u′(0)= u 1. The fractional in time derivative is taken in …

Approximate controllability from the exterior of space-time fractional diffusive equations

M Warma - SIAM Journal on Control and Optimization, 2019 - SIAM
Let Ω⊂R^N be a bounded domain with a Lipschitz continuous boundary. We study the
controllability of the space-time fractional diffusive equation {\mathbbD_t^αu+ …

Fractional wave models and their experimental applications

BA Malomed - Fractional Dispersive Models and Applications: Recent …, 2024 - Springer
A focused summary of one-and two-dimensional models for linear and nonlinear wave
propagation in fractional media is given. The basic models, which represent fractional …

Equivalence between a time-fractional and an integer-order gradient flow: The memory effect reflected in the energy

M Fritz, U Khristenko, B Wohlmuth - Advances in Nonlinear Analysis, 2022 - degruyter.com
Time-fractional partial differential equations are nonlocal-in-time and show an innate
memory effect. Previously, examples like the time-fractional Cahn-Hilliard and Fokker …

On existence and regularity of a terminal value problem for the time fractional diffusion equation

NH Tuan, TB Ngoc, Y Zhou, D O'Regan - Inverse Problems, 2020 - iopscience.iop.org
On existence and regularity of a terminal value problem for the time fractional diffusion equation
- IOPscience Skip to content IOP Science home Accessibility Help Search Journals Journals list …

Qualitative properties of solutions to a nonlinear time-space fractional diffusion equation

MB Borikhanov, M Ruzhansky, BT Torebek - Fractional Calculus and …, 2023 - Springer
In the present paper, we study the Cauchy-Dirichlet problem to a nonlocal nonlinear
diffusion equation with polynomial nonlinearities D 0| t α u+(-Δ) psu= γ| u| m-1 u+ μ| u| q-2 u …

Optimal long-time decay rate of numerical solutions for nonlinear time-fractional evolutionary equations

D Wang, M Stynes - SIAM Journal on Numerical Analysis, 2023 - SIAM
The solution of the nonlinear initial-value problem for with, where is the Caputo derivative of
order and are positive parameters, is known to exhibit decay as. No corresponding result for …

Initial-boundary value problems for coupled systems of time-fractional diffusion equations

Z Li, X Huang, Y Liu - Fractional Calculus and Applied Analysis, 2023 - Springer
This article deals with the initial-boundary value problem for a moderately coupled system of
time-fractional diffusion equations. Defining the mild solution, we establish fundamental …