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Euler characteristic

noun

Euler characteristic

noun
1

Mathematics, Sciences, Topology Of a topological space The sum of even-dimensional Betti numbers minus the sum of odd-dimensional ones.

  • A polygon's or polyhedron's Euler characteristic is just the number of corners minus the number of edges plus the number of faces.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.