743 search results - page 37 / 149 » Approximation Algorithms for Graph Homomorphism Problems |
MST
2010
13 years 2 months ago
2010
We study local, distributed algorithms for the capacitated minimum dominating set (CapMDS) problem, which arises in various distributed network applications. Given a network graph...
SODA
2007
ACM
13 years 9 months ago
2007
ACM
We obtain the first approximation algorithm for finding the k-simple shortest paths connecting a pair of vertices in a weighted directed graph. Our algorithm is deterministic an...
SIAMCOMP
2000
13 years 7 months ago
2000
There are several results available in the literature dealing with efficient construction of t-spanners for a given set S of n points in Rd. t-spanners are Euclidean graphs in whic...
STOC
2002
ACM
14 years 8 months ago
2002
ACM
The Minimum Vertex Cover problem is the problem of, given a graph, finding a smallest set of vertices that touches all edges. We show that it is NP-hard to approximate this proble...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
This paper studies constant-time approximation algorithms for problems on degree-bounded graphs. Let n and d be the number of vertices and the degree bound, respectively. This pap...