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IPCO
1993
98views Optimization» more  IPCO 1993»
15 years 9 months ago
A spectral approach to bandwidth and separator problems in graphs
Lower bounds on the bandwidth, the size of a vertex separator of general undirected graphs, and the largest common subgraph of two undirected (weighted) graphs are obtained. The b...
Christoph Helmberg, Bojan Mohar, Svatopluk Poljak,...
ICASSP
2010
IEEE
15 years 8 months ago
Source-domain adaptive filtering for MIMO systems with application to acoustic echo cancellation
Combining the channels of a multiple input/multiple output (MIMO) system into suitably chosen modes by a domain transformation offers great improvements of adaptive filtering alg...
Karim Helwani, Herbert Buchner, Sascha Spors
ANOR
2010
96views more  ANOR 2010»
15 years 7 months ago
Lipschitz and differentiability properties of quasi-concave and singular normal distribution functions
Abstract The paper provides a condition for differentiability as well as an equivalent criterion for Lipschitz continuity of singular normal distributions. Such distributions are o...
René Henrion, Werner Römisch
BIOSYSTEMS
2008
100views more  BIOSYSTEMS 2008»
15 years 7 months ago
Identification of SPAM messages using an approach inspired on the immune system
In this paper, an immune-inspired model, named IA-AIS (Innate and Adaptive Artificial Immune System) is proposed and applied to the problem of identification of unsolicited bulk e...
Thiago S. Guzella, Tomaz A. Mota-Santos, Joaquim Q...
EOR
2006
49views more  EOR 2006»
15 years 7 months ago
A game-theoretic formulation of joint implementation of environmental projects
The aim of this paper is to provide a game-theoretic interpretation of joint implementation in environmental projects and to assess the merit of such a strategy. More specifically...
Michèle Breton, Georges Zaccour, Mehdi Zaha...