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SIAMSC
2016
10 years 19 days ago
Exact Algorithms for L1-TV Regularization of Real-Valued or Circle-Valued Signals
We consider L1-TV regularization of univariate signals with values on the real line or on the unit circle. While the real data space leads to a convex optimization problem, the pr...
Martin Storath, Andreas Weinmann, Michael Unser
SIAMSC
2016
10 years 19 days ago
Constrained Optimization for Liquid Crystal Equilibria
Abstract. This paper investigates energy-minimization finite-element approaches for the computation of nematic liquid crystal equilibrium configurations. We compare the performan...
James H. Adler, D. B. Emerson, Scott P. MacLachlan...
SIAMSC
2016
10 years 19 days ago
Sharp Boundary Electrocardiac Simulations
Shuai Xue, Hyun-Kyung Lim, James Glimm, Flavio H. ...
SIAMSC
2016
10 years 19 days ago
Monolithic Multigrid Methods for Two-Dimensional Resistive Magnetohydrodynamics
Magnetohydrodynamic (MHD) representations are used to model a wide range of plasma physics applications and are characterized by a nonlinear system of partial differential equatio...
James H. Adler, Thomas R. Benson, Eric C. Cyr, Sco...
SIAMSC
2016
10 years 19 days ago
An Efficient Filtered Scheme for Some First Order Time-Dependent Hamilton-Jacobi Equations
We introduce a new class of “filtered” schemes for some first order non-linear Hamilton-Jacobi equations. The work follows recent ideas of Froese and Oberman (SIAM J. Numer. ...
Olivier Bokanowski, Maurizio Falcone, Smita Sahu