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SIAMIS
2008
115views more  SIAMIS 2008»
15 years 22 days ago
Geodesic Evolution Laws---A Level-Set Approach
Motion of curves governed by geometric evolution laws, such as mean curvature flow and surface diffusion, is the basis for many algorithms in image processing. If the images to be ...
Christina Stöcker, Axel Voigt
87
Voted
SIAMJO
2008
74views more  SIAMJO 2008»
15 years 22 days ago
Lagrangian-Dual Functions and Moreau--Yosida Regularization
In this paper, we consider the Lagrangian dual problem of a class of convex optimization problems. We first discuss the semismoothness of the Lagrangian-dual function . This prope...
Fanwen Meng, Gongyun Zhao, Mark Goh, Robert de Sou...
SIAMSC
2008
118views more  SIAMSC 2008»
15 years 22 days ago
Splitting Methods Based on Algebraic Factorization for Fluid-Structure Interaction
We discuss in this paper the numerical approximation of fluid-structure interaction (FSI) problems dealing with strong added-mass effect. We propose new semi-implicit algorithms ba...
Santiago Badia, Annalisa Quaini, Alfio Quarteroni
100
Voted
SIAMSC
2008
139views more  SIAMSC 2008»
15 years 22 days ago
Probing the Pareto Frontier for Basis Pursuit Solutions
The basis pursuit problem seeks a minimum one-norm solution of an underdetermined least-squares problem. Basis pursuit denoise (BPDN) fits the least-squares problem only approximat...
Ewout van den Berg, Michael P. Friedlander
66
Voted
SIAMSC
2008
106views more  SIAMSC 2008»
15 years 22 days ago
Finite Volume Simulation of the Geostrophic Adjustment in a Rotating Shallow-Water System
The goal of this article is to simulate rotating flows of shallow layers of fluid by means of finite volume numerical schemes. More precisely, we focus on the simulation of the geo...
Manuel J. Castro, Juan Antonio López, Carlo...