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Meaning of Euler characteristic | Babel Free

Noun CEFR B2

Definitions

The sum of even-dimensional Betti numbers minus the sum of odd-dimensional ones.

Examples

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

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Euler diagram Euler genus Euler line Euler method Euler-Fokker genus Euler-Lagrange equation