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A lower bound for the shortest Hamiltonean path in directed graphs

โœ Scribed by N. Maculan; J. J. C. Salles


Publisher
Springer
Year
1991
Tongue
German
Weight
251 KB
Volume
13
Category
Article
ISSN
0171-6468

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A lower bound for groupies in graphs
โœ Mackey, John ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 145 KB ๐Ÿ‘ 2 views

A non-isolated vertex of a graph G is called a groupie if the average degree of the vertices connected to it is larger than or equal to the average degree of the vertices in G. An isolated vertex is a groupie only if all vertices of G are isolated. While it is well known that every graph must contai