Graphe de Hoffman-Singleton — Schéma du graphe de Hoffman Singleton, présentant ses 50 sommets sous la forme de deux cercles concentriques de 25 sommets. Nombre de sommets 50 Nombre d arêtes 175 Distribution des degrés … Wikipédia en Français
Graphe D'Hoffman-Singleton — Schéma du graphe d Hoffman Singleton, présentant ses 50 sommets sous la forme de deux cercles concentriques de 25 sommets. Nombre de sommets 50 Nombre d arêtes 175 Distribution des degrés 7 régulier Diamètre 2 … Wikipédia en Français
Graphe d'Hoffman-Singleton — Schéma du graphe d Hoffman Singleton, présentant ses 50 sommets sous la forme de deux cercles concentriques de 25 sommets. Nombre de sommets 50 Nombre d arêtes 175 Distribution des degrés 7 régulier Diamètre 2 … Wikipédia en Français
Graphe d'hoffman-singleton — Schéma du graphe d Hoffman Singleton, présentant ses 50 sommets sous la forme de deux cercles concentriques de 25 sommets. Nombre de sommets 50 Nombre d arêtes 175 Distribution des degrés 7 régulier Diamètre 2 … Wikipédia en Français
Distance-regular graph — Graph families defined by their automorphisms distance transitive distance regular strongly regular … Wikipedia
Moore graph — Unsolved problems in mathematics Does a Moore graph with girth 5 and degree 57 exist? In graph theory, a Moore graph is a regular graph of degree d and diameter k whose number of vertices equals the upper bound An equivalent definition of a Moore … Wikipedia
Higman–Sims graph — infobox graph name = Higman–Sims graph image caption = Drawing based on Paul R. Hafner s construction. namesake = Donald G. Higman Charles C. Sims vertices = 100 edges = chromatic number = chromatic index = properties = Strongly regular The… … Wikipedia
Cage (graph theory) — In the mathematical area of graph theory, a cage is a regular graph that has as few vertices as possible for its girth.Formally, an ( r , g ) graph is defined to be a graph in which each vertex has exactly r neighbors, and in which the shortest… … Wikipedia
Strongly regular graph — Let G = (V,E) be a regular graph with v vertices and degree k . G is said to be strongly regular if there are also integers λ and μ such that:* Every two adjacent vertices have λ common neighbours.* Every two non adjacent vertices have μ common… … Wikipedia
Degree diameter problem — In graph theory, the degree diameter problem is the problem of finding the largest possible graph G (in terms of the size of its vertex set V) of diameter k such that the largest degree of any of the vertices in G is at most d. The size of G is… … Wikipedia