What is the fractional Laplacian? A comparative review with new results
The fractional Laplacian in R d, which we write as (− Δ) α/2 with α∈(0, 2), has multiple
equivalent characterizations. Moreover, in bounded domains, boundary conditions must be …
equivalent characterizations. Moreover, in bounded domains, boundary conditions must be …
The phase field method for geometric moving interfaces and their numerical approximations
This chapter surveys recent numerical advances in the phase field method for geometric
surface evolution and related geometric nonlinear partial differential equations (PDEs) …
surface evolution and related geometric nonlinear partial differential equations (PDEs) …
On energy dissipation theory and numerical stability for time-fractional phase-field equations
For the time-fractional phase-field models, the corresponding energy dissipation law has not
been well studied on both the continuous and the discrete levels. In this work, we address …
been well studied on both the continuous and the discrete levels. In this work, we address …
Analysis and approximation of a fractional Cahn--Hilliard equation
M Ainsworth, Z Mao - SIAM Journal on Numerical Analysis, 2017 - SIAM
We derive a fractional Cahn--Hilliard equation (FCHE) by considering a gradient flow in the
negative order Sobolev space H^-α, α∈0,1, where the choice α=1 corresponds to the …
negative order Sobolev space H^-α, α∈0,1, where the choice α=1 corresponds to the …
Time-fractional Allen–Cahn and Cahn–Hilliard phase-field models and their numerical investigation
We study (time) fractional Allen–Cahn and Cahn–Hilliard phase-field models to account for
the anomalously subdiffusive transport behavior in heterogeneous porous materials or …
the anomalously subdiffusive transport behavior in heterogeneous porous materials or …
Time-fractional Allen–Cahn equations: analysis and numerical methods
In this work, we consider a time-fractional Allen–Cahn equation, where the conventional first
order time derivative is replaced by a Caputo fractional derivative with order α ∈ (0, 1) …
order time derivative is replaced by a Caputo fractional derivative with order α ∈ (0, 1) …
On the initial value problem for a class of nonlinear biharmonic equation with time-fractional derivative
AT Nguyen, T Caraballo, NH Tuan - Proceedings of the Royal Society …, 2022 - cambridge.org
In this study, we investigate the intial value problem (IVP) for a time-fractional fourth-order
equation with nonlinear source terms. More specifically, we consider the time-fractional …
equation with nonlinear source terms. More specifically, we consider the time-fractional …
What is the fractional Laplacian?
The fractional Laplacian in R^ d has multiple equivalent characterizations. Moreover, in
bounded domains, boundary conditions must be incorporated in these characterizations in …
bounded domains, boundary conditions must be incorporated in these characterizations in …
Numerical analysis and applications of explicit high order maximum principle preserving integrating factor Runge-Kutta schemes for Allen-Cahn equation
Whether high order temporal integrators can preserve the maximum principle of Allen-Cahn
equation has been an open problem in recent years. This work provides a positive answer …
equation has been an open problem in recent years. This work provides a positive answer …
Compatible Energy Dissipation of the Variable-Step Scheme for the Space-Time Fractional Cahn-Hilliard Equation
Z Xue, X Zhao - SIAM Journal on Scientific Computing, 2023 - SIAM
We construct and analyze the variable-step scheme to efficiently solve the space-time
fractional Cahn–Hilliard equation in two dimensions. The associated variational energy …
fractional Cahn–Hilliard equation in two dimensions. The associated variational energy …