743 search results - page 4 / 149 » Approximation Algorithms for Graph Homomorphism Problems |
103
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CORR
2008
Springer
14 years 11 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...
113
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IWOCA
2010
Springer
14 years 6 months ago
2010
Springer
A homomorphism from a graph G to a graph R is locally surjective if its restriction to the neighborhood of each vertex of G is surjective. Such a homomorphism is also called an R-r...
APPROX
2007
Springer
15 years 5 months ago
2007
Springer
A star graph is a tree of diameter at most two. A star forest is a graph that consists of node-disjoint star graphs. In the spanning star forest problem, given an unweighted graph ...
IPL
2007
14 years 11 months ago
2007
The disk dimension of a planar graph G is the least number k for which G embeds in the plane minus k open disks, with every vertex on the boundary of some disk. Useful properties ...
160
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CANS
2011
Springer
13 years 11 months ago
2011
Springer
At EUROCRYPT ’10, van Dijk, Gentry, Halevi and Vaikuntanathan presented simple fully-homomorphic encryption (FHE) schemes based on the hardness of approximate integer common div...