Numerical methods for time-fractional evolution equations with nonsmooth data: a concise overview
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 …
involve a fractional-order derivative of order α∈(0, 1) in time, commonly known as …
Convolution quadrature revisited
C Lubich - BIT Numerical Mathematics, 2004 - Springer
This article reviews convolution quadrature and its uses, extends the known approximation
results for the case of sectorial Laplace transforms to finite-part convolutions with non …
results for the case of sectorial Laplace transforms to finite-part convolutions with non …
Error analysis of a finite difference method on graded meshes for a time-fractional diffusion equation
A reaction-diffusion problem with a Caputo time derivative of order α∈(0,1) is considered.
The solution of such a problem is shown in general to have a weak singularity near the initial …
The solution of such a problem is shown in general to have a weak singularity near the initial …
[書籍][B] Fractional calculus: models and numerical methods
The subject of fractional calculus and its applications (that is, convolution-type pseudo-
differential operators including integrals and derivatives of any arbitrary real or complex …
differential operators including integrals and derivatives of any arbitrary real or complex …
The exponentially convergent trapezoidal rule
It is well known that the trapezoidal rule converges geometrically when applied to analytic
functions on periodic intervals or the real line. The mathematics and history of this …
functions on periodic intervals or the real line. The mathematics and history of this …
Numerical analysis of nonlinear subdiffusion equations
We present a general framework for the rigorous numerical analysis of time-fractional
nonlinear parabolic partial differential equations, with a fractional derivative of order α∈(0,1) …
nonlinear parabolic partial differential equations, with a fractional derivative of order α∈(0,1) …
The use of finite difference/element approaches for solving the time-fractional subdiffusion equation
In this paper, two finite difference/element approaches for the time-fractional subdiffusion
equation with Dirichlet boundary conditions are developed, in which the time direction is …
equation with Dirichlet boundary conditions are developed, in which the time direction is …
Finite difference methods for the time fractional diffusion equation on non-uniform meshes
Y Zhang, Z Sun, H Liao - Journal of Computational Physics, 2014 - Elsevier
Since fractional derivatives are integrals with weakly singular kernel, the discretization on
the uniform mesh may lead to poor accuracy. The finite difference approximation of Caputo …
the uniform mesh may lead to poor accuracy. The finite difference approximation of Caputo …
Correction of high-order BDF convolution quadrature for fractional evolution equations
We develop proper correction formulas at the starting k-1 steps to restore the desired k th-
order convergence rate of the k-step BDF convolution quadrature for discretizing evolution …
order convergence rate of the k-step BDF convolution quadrature for discretizing evolution …