Facts
Citation
PublisherWikimedia Foundation
URLhttps://en.wikipedia.org/wiki/Euler_characteristic
Source TypeEncyclopedia
Assessment
Reliability Tier2
Sources
Euler Characteristic (Wikipedia)
Wikimedia Foundation- publisher identity, en.wikipedia.org masthead
self-assessed, general encyclopedia
This equation, stated by Euler in 1758, is known as Euler's polyhedron formula.
Lead section
In mathematics, and more specifically in algebraic topology and polyhedral combinatorics, the Euler characteristic (or Euler number, or Euler-Poincaré characteristic) is a topological invariant, a number that describes a topological space's shape or structure regardless of the way it is bent.
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