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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Directed and Undirected Graphs
verfasst von : Guerino Mazzola, Maria Mannone, Yan Pang
Erschienen in: Cool Math for Hot Music
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Up to now, we have been able to construct all basic number domains ℕ, ℤ, ℚ, ℝ, ℂ. But we have not considered geometric objects. This chapter begins to fill that gap. It introduces the most elementary geometric objects: graphs—systems of points and arrows connected by directed or undirected lines. We shall conclude part IV with the introduction of higher-dimension graphical objects that relate to coverings of sets by a system of subsets.