Titlebook: Distance-Regular Graphs; Andries E. Brouwer,Arjeh M. Cohen,Arnold Neumaier Book 1989 Springer-Verlag Berlin Heidelberg 1989 Arithmetic.Lie

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Book 1989ts of mathematics. Quite often the arithmetical regularity properties of an object imply its uniqueness and the existence of many symmetries. This interplay between regularity and symmetry properties of graphs is the theme of this book. Starting from very elementary regularity properties, the concep

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The Decline and Fall of the American Empire neighbours of δ in Г.(γ) and . neighbours of δ in Г.(γ). In particular, Г is regular of valency . = .. The sequence.where . is the diameter of Г, is called the . of Г (cf. B. [71]); the numbers ., ., and ., where.is the number of neighbours of δ in Γ.(γ) for .(γ,δ) = ., are called the . of Γ. Clear

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