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The geodetic numbers of graphs and digraphs

โœ Scribed by Chang-hong Lu


Publisher
SP Science China Press
Year
2007
Tongue
English
Weight
320 KB
Volume
50
Category
Article
ISSN
1674-7283

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For two vertices u and v of an oriented graph D, the set I (u, v) consists of all vertices lying on a uv geodesic or vu geodesic in D. If S is a set of vertices of D, then I (S) is the union of all sets I (u, v) for vertices u and v in S. The geodetic number g(D) is the minimum cardinality among the