743 search results - page 59 / 149 » Approximation Algorithms for Graph Homomorphism Problems |
SIAMCOMP
2010
13 years 2 months ago
2010
The (undirected) Steiner Network problem is: given a graph = ( , ) with edge/node-weights and edge-connectivity requirements { ( , ) : , }, find a minimumweight subgraph of conta...
FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
We introduce and study the donation center location problem, which has an additional application in network testing and may also be of independent interest as a general graph-theor...
FAW
2009
Springer
14 years 2 months ago
2009
Springer
Data access time becomes the main bottleneck in applications dealing with large-scale graphs. Cache-oblivious layouts, constructed to minimize the geometric mean of arc lengths of ...
SWAT
2004
Springer
14 years 1 months ago
2004
Springer
Consider a graph problem which is associated with a parameter, for example, that of finding a longest tour spanning k vertices. The following question is natural: Is there a smal...
MP
2007
13 years 7 months ago
2007
Given a graph with costs on the edges, the power of a node is the maximum cost of an edge leaving it, and the power of the graph is the sum of the powers of the nodes of this graph...