554 search results - page 16 / 111 » Approximation algorithms and hardness results for labeled co... |
ESA
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The input of the Edge Multicut problem consists of an undirected graph G and pairs of terminals {s1, t1}, . . . , {sm, tm}; the task is to remove a minimum set of edges s...
SODA
2012
ACM
11 years 10 months ago
2012
ACM
Consider the problem of pricing n items under an unlimited supply with m buyers. Each buyer is interested in a bundle of at most k of the items. These buyers are single minded, wh...
COCO
2011
Springer
12 years 7 months ago
2011
Springer
—In 1997, H˚astad showed NP-hardness of (1 − , 1/q + δ)-approximating Max-3Lin(Zq); however it was not until 2007 that Guruswami and Raghavendra were able to show NP-hardness...
FOCS
2000
IEEE
13 years 11 months ago
2000
IEEE
Abstract. In the single source unsplittable min-cost flow problem, commodities must be routed simultaneously from a common source vertex to certain destination vertices in a given ...
ISAAC
2004
Springer
14 years 28 days ago
2004
Springer
Assuming 3-SAT formulas are hard to refute with high probability, Feige showed approximation hardness results, among others for the max bipartite clique. We extend this result in t...