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SIAMSC
2008
107views more  SIAMSC 2008»
13 years 9 months ago
A Hybrid Phase-Flow Method for Hamiltonian Systems with Discontinuous Hamiltonians
In this paper, we propose a new phase flow method for Hamiltonian systems with discontinuous Hamiltonians. In the original phase-flow method introduced by Ying and Cand`es [26], t...
Shi Jin, Hao Wu, Zhongyi Huang
SIAMSC
2008
97views more  SIAMSC 2008»
13 years 9 months ago
Improvement of Space-Invariant Image Deblurring by Preconditioned Landweber Iterations
The Landweber method is a simple and flexible iterative regularization algorithm, whose projected variant provides nonnegative image reconstructions. Since the method is usually v...
Paola Brianzi, Fabio Di Benedetto, Claudio Estatic...
SIAMSC
2008
133views more  SIAMSC 2008»
13 years 9 months ago
Numerical Variational Methods Applied to Cylinder Buckling
We review and compare different computational variational methods applied to a system of fourth order equations that arises as a model of cylinder buckling. We describe both the di...
Jirí Horák, Gabriel J. Lord, Mark A....
SIAMSC
2008
111views more  SIAMSC 2008»
13 years 9 months ago
An Algebraic Multigrid Approach Based on a Compatible Gauge Reformulation of Maxwell's Equations
With the rise in popularity of compatible finite element, finite difference and finite volume discretizations for the time domain eddy current equations, there has been a correspon...
Pavel B. Bochev, Jonathan J. Hu, Christopher M. Si...
SIAMSC
2010
129views more  SIAMSC 2010»
13 years 8 months ago
A Micro-Macro Decomposition-Based Asymptotic-Preserving Scheme for the Multispecies Boltzmann Equation
In this paper we extend the micro-macro decomposition based asymptotic-preserving scheme developed in [3] for the single species Boltzmann equation to the multispecies problems. A...
Shi Jin, Yingzhe Shi