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» On Conditional Covering Problem
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WG
2007
Springer
14 years 1 months ago
Complexity and Approximation Results for the Connected Vertex Cover Problem
We study a variation of the vertex cover problem where it is required that the graph induced by the vertex cover is connected. We prove that this problem is polynomial in chordal g...
Bruno Escoffier, Laurent Gourvès, Jé...
ICMCS
2007
IEEE
125views Multimedia» more  ICMCS 2007»
14 years 1 months ago
JPEG Based Conditional Entropy Coding for Correlated Steganography
Correlated steganography considers the case in which the cover Work is chosen to be correlated with the covert message that is to be hidden. The advantage of this is that, at leas...
Lei Zheng, Ingemar J. Cox
SIROCCO
2004
13 years 8 months ago
Existence of Nash Equilibria in Selfish Routing Problems
The problem of routing traffic through a congested network is studied. The framework is that introduced by Koutsoupias and Papadimitriou where the network is constituted by m paral...
Alessandro Ferrante, Mimmo Parente
FOCS
2002
IEEE
14 years 10 days ago
Covering Problems with Hard Capacities
We consider the classical vertex cover and set cover problems with the addition of hard capacity constraints. This means that a set (vertex) can only cover a limited number of its...
Julia Chuzhoy, Joseph Naor
JCO
2010
182views more  JCO 2010»
13 years 5 months ago
Polynomial time approximation schemes for minimum disk cover problems
The following planar minimum disk cover problem is considered in this paper: given a set D of n disks and a set P of m points in the Euclidean plane, where each disk covers a subse...
Chen Liao, Shiyan Hu