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» The Guarding Problem - Complexity and Approximation
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MOC
2010
13 years 3 months ago
Multigrid in a weighted space arising from axisymmetric electromagnetics
Consider the space of two dimensional vector functions whose components and curl are square integrable with respect to the degenerate weight given by the radial variable. This spac...
Dylan M. Copeland, Jayadeep Gopalakrishnan, Minah ...
SIAMJO
2010
89views more  SIAMJO 2010»
13 years 3 months ago
A New Sequential Optimality Condition for Constrained Optimization and Algorithmic Consequences
Necessary first-order sequential optimality conditions provide adequate theoretical tools to justify stopping criteria for nonlinear programming solvers. These conditions are sati...
Roberto Andreani, José Mario Martíne...
SIAMNUM
2010
106views more  SIAMNUM 2010»
13 years 3 months ago
Computing Sacker-Sell spectra in Discrete Time Dynamical Systems
In this paper we develop boundary value methods for detecting Sacker-Sell spectra in discrete time dynamical systems. The algorithms are advancements of earlier methods for comput...
Thorsten Hüls
SIAMNUM
2010
103views more  SIAMNUM 2010»
13 years 3 months ago
Error Estimates for Space-Time Discretizations of a Rate-Independent Variational Inequality
This paper deals with error estimates for space-time discretizations in the context of nary variational inequalities of rate-independent type. After introducing a general abstract ...
Alexander Mielke, Laetitia Paoli, Adrien Petrov, U...
TCOM
2010
142views more  TCOM 2010»
13 years 3 months ago
Performance Bounds and Distance Spectra of Variable Length Codes in Turbo/Concatenated Systems
Abstract--Variable length codes (VLCs), used in data compression, are very sensitive to error propagation in the presence of noisy channels. Addressing this problem with joint sour...
Xavier Jaspar, Luc Vandendorpe