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89
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SIAMIS
2008
93views more  SIAMIS 2008»
15 years 1 months ago
Convex Source Support and Its Application to Electric Impedance Tomography
The aim in electric impedance tomography is to recover the conductivity inside a physical body from boundary measurements of current and voltage. In many situations of practical im...
Martin Hanke, Nuutti Hyvönen, Stefanie Reussw...
SIAMSC
2008
97views more  SIAMSC 2008»
15 years 1 months ago
Numerical Methods for Computing Nonlinear Eigenpairs: Part II. Non-Iso-Homogeneous Cases
Standing (solitary)-wave/steady-state solutions in many nonlinear wave motions and Schrodinger flows lead to nonlinear eigenproblems. In [X. Yao and J. Zhou, SIAM J. Sci. Comput., ...
Xudong Yao, Jianxin Zhou
74
Voted
SIAMSC
2008
104views more  SIAMSC 2008»
15 years 1 months ago
Deblurring Methods Using Antireflective Boundary Conditions
In this note we consider the numerical solution of selfadjoint deblurring problems on bounded intervals. For these problems it has recently been shown that appropriate modelling of...
Martin Christiansen, Martin Hanke
85
Voted
SIAMSC
2008
165views more  SIAMSC 2008»
15 years 1 months ago
Iterated Hard Shrinkage for Minimization Problems with Sparsity Constraints
Abstract. A new iterative algorithm for the solution of minimization problems in infinitedimensional Hilbert spaces which involve sparsity constraints in form of p-penalties is pro...
Kristian Bredies, Dirk A. Lorenz
90
Voted
SIAMSC
2008
125views more  SIAMSC 2008»
15 years 1 months ago
Hybrid Simulations of Reaction-Diffusion Systems in Porous Media
Abstract. Hybrid or multiphysics algorithms provide an efficient computational tool for combining micro- and macroscale descriptions of physical phenomena. Their use becomes impera...
Alexandre M. Tartakovsky, Daniel M. Tartakovsky, T...