112 search results - page 6 / 23 » An Improved Bound on the Minimal Number of Edges in Color-Cr... |
MST
2010
13 years 2 months ago
2010
Cluster Editing is transforming a graph by at most k edge insertions or deletions into a disjoint union of cliques. This problem is fixed-parameter tractable (FPT). Here we comput...
ESA
2006
Springer
13 years 11 months ago
2006
Springer
We show that enumerating all minimal spanning and connected subsets of a given matroid is quasi-polynomially equivalent to the well-known hypergraph transversal problem, and thus ...
GD
2004
Springer
14 years 28 days ago
2004
Springer
A k-stack layout (respectively, k-queue layout) of a graph consists of a total order of the vertices, and a partition of the edges into k sets of non-crossing (non-nested) edges wi...
COCOON
2011
Springer
12 years 7 months ago
2011
Springer
Motivated by a security problem in geographic information systems, we study the following graph theoretical problem: given a graph G, two special nodes s and t in G, and a number k...
JAL
2006
13 years 7 months ago
2006
: We consider a variety of vehicle routing problems. The input to a problem consists of a graph G = (N, E) and edge lengths l(e) e E. Customers located at the vertices have to be ...