45 search results - page 4 / 9 » Vertex rankings of chordal graphs and weighted trees |
GECCO
2006
Springer
13 years 11 months ago
2006
Springer
A spanning tree of a graph such that each vertex in the tree has degree at most d is called a degree-constrained spanning tree. The problem of finding the degree-constrained spann...
SODA
2004
ACM
13 years 9 months ago
2004
ACM
We consider the problem of finding a sparse set of edges containing the minimum spanning tree (MST) of a random subgraph of G with high probability. The two random models that we ...
BIRTHDAY
2009
Springer
14 years 2 months ago
2009
Springer
We introduce the weak gap property for directed graphs whose vertex set S is a metric space of size n. We prove that, if the doubling dimension of S is a constant, any directed gra...
SIAMDM
2010
13 years 6 months ago
2010
For a graph G = (V, E) we consider vertex-k-labellings f : V → {1, 2, . . . , k} for which the induced edge weighting w : E → {2, 3, . . . , 2k} with w(uv) = f(u) + f(v) is inj...
COCOA
2008
Springer
13 years 9 months ago
2008
Springer
In a finite simple undirected graph, a vertex is simplicial if its neighborhood is a clique. We say that, for k 2, a graph G = (VG, EG) is the k-simplicial power of a graph H = (V...