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- Yumin Lin, Chuanju Xu
- J. Comput. Physics
- 2007

- Xianjuan Li, Chuanju Xu
- SIAM J. Numerical Analysis
- 2009

In this paper, we consider the numerical solution of the time fractional diffusion equation. Essentially, the time fractional diffusion equation differs from the standard diffusion equation in the time derivative term. In the former case, the first-order time derivative is replaced by a fractional derivative, making the problem global in time. We propose a… (More)

- Yumin Lin, Xianjuan Li, Chuanju Xu
- Math. Comput.
- 2011

The Cable equation has been one of the most fundamental equations for modeling neuronal dynamics. In this paper, we consider the numerical solution of the fractional Cable equation, which is a generalization of the classical Cable equation by taking into account the anomalous diffusion in the movement of the ions in neuronal system. A schema combining a… (More)

- C. GOODHART, C. XU
- 1996

In the twenty years since the Cultural Revolution, China has maintained fast real growth. This occurred despite China having similar problems to other transitional economies, eg loss-making State Owned Enterprises (SOEs), eroding fiscal revenues and inflation, (Section 3). Although China initially adopted the Soviet central planning model, after the 1950s… (More)

- Chuanju Xu, Tao Tang
- SIAM J. Numerical Analysis
- 2006

Numerical methods for solving the continuum model of the dynamics of the molecular-beam epitaxy (MBE) require very large time simulation, and therefore large time steps become necessary. The main purpose of this work is to construct and analyze highly stable time discretizations which allow much larger time step than that for a standard implicit-explicit… (More)

- Junying Cao, Chuanju Xu
- J. Comput. Physics
- 2013

- Mejdi Azaïez, Jie Shen, Chuanju Xu, Qingqu Zhuang
- SIAM J. Numerical Analysis
- 2008

A mixed spectral method is proposed and analyzed for the Stokes problem in a semi-infinite channel. The method is based on a generalized Galerkin approximation with Laguerre functions in the x direction and Legendre polynomials in the y direction. The well-posedness of this method is established by deriving a lower bound on the inf-sup constant. Numerical… (More)

- Lizhen Chen, Jie Shen, Chuanju Xu, C. Xu
- 2011

We propose and analyze spectral direction splitting schemes for the incom-pressible Navier-Stokes equations. The schemes combine a Legendre-spectral method for the spatial discretization and a pressure-stabilization/direction splitting scheme for the temporal discretization, leading to a sequence of one-dimensional elliptic equations at each time step while… (More)

- Xianjuan Li, Tao Tang, Chuanju Xu
- SIAM J. Numerical Analysis
- 2013

- Qingqu Zhuang, Jie Shen, Chuanju Xu
- J. Sci. Comput.
- 2010

A coupled Legendre-Laguerre spectral element method is proposed for the Stokes and Navier-Stokes equations in unbounded domains. The method combines advantages of the high accuracy of the Laguerre-spectral method for unbounded domains and the geometric flexibility of the spectral-element method. Rigorous stability and error analysis for the Stokes problem… (More)