172 search results - page 5 / 35 » Improved approximation for directed cut problems |
MP
2006
13 years 7 months ago
2006
Given an undirected graph G = (V;E) and three speci ed terminal nodes t1;t2;t3, a 3-cut is a subset A of E such that no two terminals are in the same component of GnA. If a non-neg...
ALGOSENSORS
2009
Springer
14 years 2 months ago
2009
Springer
A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is then reduced a...
FOCS
2008
IEEE
14 years 2 months ago
2008
IEEE
We introduce several generalizations of classical computer science problems obtained by replacing simpler objective functions with general submodular functions. The new problems i...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
The class of constraint satisfactions problems (CSPs) captures many fundamental combinatorial optimization problems such as Max Cut, Max q-Cut, Unique Games, and Max k-Sat. Recent...
STACS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract Abstract. Recent work in the analysis of randomized approximation algorithms for NP-hard optimization problems has involved approximating the solution to a problem by the ...