796 search results - page 39 / 160 » Approximating the centroid is hard |
108
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CATS
2006
14 years 11 months ago
2006
We consider the following clustering problems: given a general undirected graph, partition its vertices into disjoint clusters such that each cluster forms a clique and the number...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
For an edge-weighted connected undirected graph, the minimum k-way cut problem is to find a subset of edges of minimum total weight whose removal separates the graph into k connect...
142
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APPROX
2011
Springer
13 years 9 months ago
2011
Springer
In this work we consider the problem of approximating the number of relevant variables in a function given query access to the function. Since obtaining a multiplicative factor ap...
SARA
2009
Springer
15 years 4 months ago
2009
Springer
MINLP problems are hard constrained optimization problems, with nonlinear constraints and mixed discrete continuous variables. They can be solved using a Branch-and-Bound scheme c...
PPAM
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. We consider the problem of computing a weighted edge matching in a large graph using a parallel algorithm. This problem has application in several areas of combinatorial ...