A graph G is said to be well-covered if every maximal independent set of vertices has the same cardinality. A planar (simple) graph in which each face is a triangle is called a triangulation. It is the aim of this paper to prove that there are no 5-connected planar well-covered triangulations.
On well-covered triangulations: Part III
โ Scribed by Arthur S. Finbow; Bert L. Hartnell; Richard J. Nowakowski; Michael D. Plummer
- Book ID
- 108112836
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 807 KB
- Volume
- 158
- Category
- Article
- ISSN
- 0166-218X
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## Abstract We show that every plane graph of diameter 2__r__ in which all inner faces are triangles and all inner vertices have degree larger than 5 can be covered with two balls of radius __r__. ยฉ 2003 Wiley Periodicals, Inc. J Graph Theory 44: 65โ80, 2003
A set of points in a graph is independent if no two points in the set are adjacent. A graph is well covered if every maximal independent set is a maximum independent set or, equivalently, if every independent set is contained in a maximum independent set. The well-covered graphs are classified by th