1395 search results - page 52 / 279 » (k, )-Distance-Hereditary Graphs |
111
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APPROX
2000
Springer
15 years 2 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...
104
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GC
2002
Springer
14 years 9 months ago
2002
Springer
Given a graph on n vertices which is the union of two comparability graphs on the same vertex set, it always contains a clique or independent set of size n 1 3 . On the other hand...
104
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DAM
2011
14 years 4 months ago
2011
An edge-labeling λ for a directed graph G has a weak sense of direction (WSD) if there is a function f that satisfies the condition that for any node u and for any two label seq...
FCT
2009
Springer
15 years 4 months ago
2009
Springer
In social network theory, a simple graph G is called k-role assignable if there is a surjective mapping that assigns a number from {1, . . . , k} called a role to each vertex of G ...
EJC
2007
14 years 9 months ago
2007
Let K− r denote the graph obtained from Kr by deleting one edge. We show that for every integer r ≥ 4 there exists an integer n0 = n0(r) such that every graph G whose order n ...