796 search results - page 32 / 160 » Approximating the centroid is hard |
FUIN
2010
13 years 6 months ago
2010
From an empirical point of view, the hardness of quantified Boolean formulas (QBFs), can be characterized by the (in)ability of current state-of-the-art QBF solvers to decide abo...
FCT
2003
Springer
14 years 25 days ago
2003
Springer
The closest substring problem, where a short string is sought that minimizes the number of mismatches between it and each of a given set of strings, is a minimization problem with ...
FOCS
2007
IEEE
14 years 1 months ago
2007
IEEE
We continue the recent line of work on the connection between semidefinite programming-based approximation algorithms and the Unique Games Conjecture. Given any boolean 2-CSP (or...
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 ...
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...