Veblen's theorem
Appearance
In mathematics, Veblen's theorem, introduced by Veblen (1912), states that the set of edges of a finite graph can be written as a union of disjoint cycles if and only if every vertex has even degree.
References
- Veblen, Oswald (1912), "An Application of Modular Equations in Analysis Situs", Annals of Mathematics, Second Series, 14 (1), Annals of Mathematics: 86–94, ISSN 0003-486X