activity
20152023
most citedAdaptive Finite Element Method for fractional differential equations using Hierarchical Matrices

81 citations · 105 across the 11 of their papers we have counts for

collaborators

11 papers

math.NA2023

Energy stability and convergence of variable-step L1 scheme for the time fractional Swift-Hohenberg model

Xuan Zhao, Ran Yang, Ren-jun Qi +1

A fully implicit numerical scheme is established for solving the time fractional Swift-Hohenberg (TFSH) equation with a Caputo time derivative of order . The variable-st…

math.NA2023

Energy stable and norm convergent BDF3 scheme for the Swift-Hohenberg equation

Xuan Zhao, Ran Yang, Zhongqin Xue +1

A fully discrete implicit scheme is proposed for the Swift-Hohenberg model, combining the third-order backward differentiation formula (BDF3) for the time discretization and the se…

math.NA2023★ 1 cited

Error estimate of the nonuniform type formula for the time fractional diffusion-wave equation

Hong Sun, Yanping Chen, Xuan Zhao

In this paper, a temporal nonuniform type difference scheme is built up for the time fractional diffusion-wave equation with the help of the order reduction technique. The unc…

math.GM2023

On some analytic properties of nabla tempered fractional calculus

Yiheng Wei, Linlin Zhao, Xuan Zhao +1

Despite many applications regarding fractional calculus have been reported in literature, it is still unknown how to model some practical process. One major challenge in solving su…

math.NA2023

Error analysis of the implicit variable-step BDF2 method for the molecular beam epitaxial model with slope selection

Xuan Zhao, Haifeng Zhang, Hong Sun

We derive unconditionally stable and convergent variable-step BDF2 scheme for solving the MBE model with slope selection. The discrete orthogonal convolution kernels of the variabl…

math.NA2022

Convergence analysis of variable steps BDF2 method for the space fractional Cahn-Hilliard model

Xuan Zhao, Zhongqin Xue

An implicit variable-step BDF2 scheme is established for solving the space fractional Cahn-Hilliard equation, involving the fractional Laplacian, derived from a gradient flow in th…

math.NA2022★ 18 cited

Asymptotically compatible energy of variable-step fractional BDF2 formula for time-fractional Cahn-Hilliard model

Hong-lin Liao, Nan Liu, Xuan Zhao

A new discrete energy dissipation law of the variable-step fractional BDF2 (second-order backward differentiation formula) scheme is established for time-fractional Cahn-Hilliard m…

math.AP2022

High Order Compact Finite Difference Methods for Non-Fickian Flows in Porous Media

Xuan Zhao, Ziyan Li, Xiaoli Li

In this work, fourth-order compact block-centered finite difference (CBCFD) schemes combined with the Crank-Nicolson discretization are constructed and analyzed for solving parabol…

math.NA2017★ 4 cited

Superconvergence Points For The Spectral Interpolation Of Riesz Fractional Derivatives

Beichuan Deng, Zhimin Zhang, Xuan Zhao

In this paper, superconvergence points are located for the approximation of the Riesz derivative of order using classical Lobatto-type polynomials when and general…

math.NA2016★ 81 cited

Adaptive Finite Element Method for fractional differential equations using Hierarchical Matrices

Xuan Zhao, Xiaozhe Hu, Wei Cai +1

A robust and fast solver for the fractional differential equation (FDEs) involving the Riesz fractional derivative is developed using an adaptive finite element method on non-unifo…

math.NA2015★ 1 cited

Superconvergence points of fractional spectral interpolation

Xuan Zhao, Zhimin Zhang

We investigate superconvergence properties of the spectral interpolation involving fractional derivatives. Our interest in this superconvergence problem is, in fact, twofold: when…