159 search results - page 4 / 32 » Undirected Graphs of Entanglement 2 |
FCT
2007
Springer
13 years 8 months ago
2007
Springer
The diameter of an undirected graph is the minimal number d such that there is a path between any two vertices of the graph of length at most d. The radius of a graph is the minim...
APPROX
2000
Springer
13 years 11 months ago
2000
Springer
Given a graph (directed or undirected) with costs on the edges, and an integer k, we consider the problem of nding a k-node connected spanning subgraph of minimum cost. For the ge...
COMBINATORICS
2006
13 years 6 months ago
2006
For undirected graphs it has been known for some time that one can bound the diameter using the eigenvalues. In this note we give a similar result for the diameter of strongly con...
WAOA
2005
Springer
14 years 1 days ago
2005
Springer
A cycle cover of a graph is a set of cycles such that every vertex is part of exactly one cycle. An L-cycle cover is a cycle cover in which the length of every cycle is in the set...
DM
2006
13 years 6 months ago
2006
Let 1 s1 < s2 <