The number of labelled -arch graphs.
Lamathe, Cédric (2004)
Journal of Integer Sequences [electronic only]
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Displaying similar documents to “A note on reconstructing of finite trees from small subtrees”
The number of labelled -arch graphs.
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A vertex k-ranking of a simple graph is a coloring of its vertices with k colors in such a way that each path connecting two vertices of the same color contains a vertex with a bigger color. Consider the minimum vertex ranking spanning tree (MVRST) problem where the goal is to find a spanning tree of a given graph G which has a vertex ranking using the minimal number of colors over vertex rankings of all spanning trees of G. K. Miyata et al. proved in [NP-hardness proof and an approximation...