1461 search results - page 20 / 293 » Complexity of Graph Covering Problems |
SIAMCOMP
1998
13 years 7 months ago
1998
This paper introduces a near-linear time sequential algorithm for constructing a sparse neighborhood cover. This implies analogous improvements (from quadratic to near-linear time)...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
We describe a new variational lower-bound on the minimum energy configuration of a planar binary Markov Random Field (MRF). Our method is based on adding auxiliary nodes to every...
GD
2009
Springer
13 years 10 months ago
2009
Springer
We show that recognizing intersection graphs of convex sets has the same complexity as deciding truth in the existential theory of the reals. Comparing this to similar results on t...
DCOSS
2008
Springer
13 years 9 months ago
2008
Springer
We present the first local approximation schemes for maximum independent set and minimum vertex cover in unit disk graphs. In the graph model we assume that each node knows its geo...
FAW
2008
Springer
13 years 9 months ago
2008
Springer
We study the parameterized complexity of an NP-complete geometric covering problem called d-dimensional Rectangle Stabbing where we are given a set of axis-parallel d-dimensional h...