743 search results - page 19 / 149 » Approximation Algorithms for Graph Homomorphism Problems |
AAIM
2007
Springer
14 years 1 months ago
2007
Springer
Given an undirected graph G = (V, E) and a weight function w : E → Z+ , we consider the problem of orienting all edges in E so that the maximum weighted outdegree among all verti...
CORR
2006
Springer
13 years 7 months ago
2006
Springer
In multi-criteria optimization, several objective functions are to be optimized. Since the different objective functions are usually in conflict with each other, one cannot conside...
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 ...
APPROX
2010
Springer
13 years 9 months ago
2010
Springer
We consider two natural generalizations of the Asymmetric Traveling Salesman problem: the k-Stroll and the k-Tour problems. The input to the k-Stroll problem is a directed n-verte...
FOCS
2007
IEEE
14 years 2 months ago
2007
IEEE
: It is well-known that constraint satisfaction problems (CSP) over an unbounded domain can be solved in time nO(k) if the treewidth of the primal graph of the instance is at most ...