2283 search results - page 47 / 457 » Bounds of Graph Characteristics |
119
Voted
COCO
2009
Springer
15 years 10 months ago
2009
Springer
We study the inapproximability of Vertex Cover and Independent Set on degree d graphs. We prove that: • Vertex Cover is Unique Games-hard to approximate to within a factor 2−(...
139
Voted
FOCS
2006
IEEE
15 years 9 months ago
2006
IEEE
An additive spanner of an unweighted undirected graph G with distortion d is a subgraph H such that for any two vertices u, v ∈ G, we have δH(u, v) ≤ δG(u, v) + d. For every...
COCO
2005
Springer
15 years 9 months ago
2005
Springer
