796 search results - page 18 / 160 » Approximating the centroid is hard |
ISAAC
2004
Springer
14 years 27 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...
FOCS
2002
IEEE
14 years 15 days ago
2002
IEEE
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...
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...
FSTTCS
2007
Springer
14 years 1 months ago
2007
Springer
We consider scheduling problems in which a job consists of components of different types to be processed on m machines. Each machine is capable of processing components of a singl...
FOCS
2004
IEEE
13 years 11 months ago
2004
IEEE
The Metric Labeling problem is an elegant and powerful mathematical model capturing a wide range of classification problems. The input to the problem consists of a set of labels a...