112 search results - page 19 / 23 » Constant factor approximation of vertex-cuts in planar graph... |
WDAG
2009
Springer
13 years 12 months ago
2009
Springer
Abstract. An (α, β)-spanner of a graph G is a subgraph H that approximates distances in G within a multiplicative factor α and an additive error β, ensuring that for any two no...
COMPGEOM
2004
ACM
14 years 25 days ago
2004
ACM
A frequently arising problem in computational geometry is when a physical structure, such as an ad-hoc wireless sensor network or a protein backbone, can measure local information...
STOC
2007
ACM
14 years 7 months ago
2007
ACM
Given as input a directed graph on N vertices and a set of source-destination pairs, we study the problem of routing the maximum possible number of source-destination pairs on pat...
ICALP
2010
Springer
14 years 6 days ago
2010
Springer
Computing a minimum vertex cover in graphs and hypergraphs is a well-studied optimizaton problem. While intractable in general, it is well known that on bipartite graphs, vertex c...
FOCS
2008
IEEE
14 years 1 months ago
2008
IEEE
Given a complete undirected graph, a cost function on edges and a degree bound B, the degree bounded network design problem is to find a minimum cost simple subgraph with maximum...