Grötzsch's theorem
Sign in to savetheorem that every triangle-free planar graph is 3-colorable
Wikidata facts
- Instance of
- theorem
- Part of
- list of theorems
- Named after
- Herbert Grötzsch
- Image
- Groetsch-3-coloring.svg
Show 2 more facts
- statement describes
- triangle-free graph
- maintained by WikiProject
- WikiProject Mathematics
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