52 search results - page 7 / 11 » An Improved Approximation Algorithm for Vertex Cover with Ha... |
FOCS
2003
IEEE
14 years 20 days ago
2003
IEEE
A directed multigraph is said to be d-regular if the indegree and outdegree of every vertex is exactly d. By Hall’s theorem one can represent such a multigraph as a combination ...
FSTTCS
2004
Springer
14 years 23 days ago
2004
Springer
Abstract Abstract. In this paper we improve the analysis of approximation algorithms based on semidefinite programming for the maximum graph partitioning problems MAX-k-CUT, MAX-k...
STOC
2006
ACM
14 years 7 months ago
2006
ACM
Many approximation algorithms have been presented in the last decades for hard search problems. The focus of this paper is on cryptographic applications, where it is desired to de...
CORR
2004
Springer
13 years 7 months ago
2004
Springer
Abstract. The phylogenetic tree construction is to infer the evolutionary relationship between species from the experimental data. However, the experimental data are often imperfec...
FOCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Combinatorial allocation problems require allocating items to players in a way that maximizes the total utility. Two such problems received attention recently, and were addressed ...