Numerical methods for fractional partial differential equations

C Li, A Chen - International Journal of Computer Mathematics, 2018 - Taylor & Francis
In this review paper, we are mainly concerned with the finite difference methods, the
Galerkin finite element methods, and the spectral methods for fractional partial differential …

Well-posedness of hp-version discontinuous Galerkin methods for fractional diffusion wave equations

K Mustapha, D Schötzau - IMA Journal of Numerical Analysis, 2014 - ieeexplore.ieee.org
We establish the well-posedness of an hp-version time-stepping discontinuous Galerkin
method for the numerical solution of fractional superdiffusion evolution problems. In …

Time-stepping discontinuous Galerkin methods for fractional diffusion problems

K Mustapha - Numerische Mathematik, 2015 - Springer
Time-stepping hp hp-versions discontinuous Galerkin (DG) methods for the numerical
solution of fractional subdiffusion problems of order-α-α with-1< α< 0-1< α< 0 will be …

An - Version of the Continuous Petrov--Galerkin Finite Element Method for Volterra Integro-Differential Equations with Smooth and Nonsmooth Kernels

L Yi, B Guo - SIAM Journal on Numerical Analysis, 2015 - SIAM
We present an hp version of the continuous Petrov--Galerkin (CPG) finite element method
for linear Volterra integro-differential equations with smooth and nonsmooth kernels. We …

Local discontinuous Galerkin methods for fractional ordinary differential equations

W Deng, JS Hesthaven - BIT Numerical Mathematics, 2015 - Springer
This paper discusses the upwinded local discontinuous Galerkin methods for the one-
term/multi-term fractional ordinary differential equations (FODEs). The natural upwind choice …

An ℎ𝑝-version Legendre-Jacobi spectral collocation method for Volterra integro-differential equations with smooth and weakly singular kernels

Z Wang, Y Guo, L Yi - Mathematics of Computation, 2017 - ams.org
In this paper, we present an $ hp $-version Legendre-Jacobi spectral collocation method for
Volterra integro-differential equations with smooth and weakly singular kernels. We …

Discontinuous Galerkin time stepping for semilinear parabolic problems with time constant delay

X Xu, Q Huang - Journal of Scientific Computing, 2023 - Springer
In this paper, a discontinuous Galerkin (DG) time stepping method combined with the
standard finite element method in space is proposed to solve a class of semilinear parabolic …

Two-grid economical algorithms for parabolic integro-differential equations with nonlinear memory

W Wang, Q Hong - Applied Numerical Mathematics, 2019 - Elsevier
In this paper, several two-grid finite element algorithms for solving parabolic integro-
differential equations (PIDEs) with nonlinear memory are presented. Analysis of these …

An hp-version of the discontinuous Galerkin time-stepping method for Volterra integral equations with weakly singular kernels

L Wang, H Tian, L Yi - Applied Numerical Mathematics, 2021 - Elsevier
We develop and analyze an hp-version of the discontinuous Galerkin time-stepping method
for linear Volterra integral equations with weakly singular kernels. We derive a priori error …

High-order accurate adaptive kernel compression time-stepping schemes for fractional differential equations

D Baffet, JS Hesthaven - Journal of Scientific Computing, 2017 - Springer
High-order adaptive methods for fractional differential equations are proposed. The methods
rely on a kernel compression scheme for the approximation and localization of the history …