112 search results - page 2 / 23 » Constant factor approximation of vertex-cuts in planar graph... |
FOCS
2004
IEEE
13 years 9 months ago
2004
IEEE
We study the maximum edge-disjoint paths problem in undirected planar graphs: given a graph G and node pairs (demands) s1t1, s2t2, . . ., sktk, the goal is to maximize the number ...
APPROX
2006
Springer
13 years 9 months ago
2006
Springer
For a given graph with weighted vertices, the goal of the minimum-weight dominating set problem is to compute a vertex subset of smallest weight such that each vertex of the graph...
SIAMCOMP
2000
13 years 5 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...
APPROX
2010
Springer
13 years 7 months ago
2010
Springer
We present a simple factor 6 algorithm for approximating the optimal multiplicative distortion of embedding (unweighted) graph metrics into tree metrics (thus improving and simplif...
ISAAC
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. CrossingNumber is one of the most challenging algorithmic problems in topological graph theory, with applications to graph drawing and VLSI layout. No polynomial time con...