In this note, w e give a short proof of a stronger version of the following theorem: Let G be a 2-connected graph of order n such that for any independent set {u, u , w}, then G is hamiltonian. 0 1996 John
A Short Proof of a Theorem Concerning Degree Sums and Connectivity on Hamiltonian Graphs
✍ Scribed by Bing Wei
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 74 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0095-8956
No coin nor oath required. For personal study only.
✦ Synopsis
proved that if G is a 2-connected graph with n vertices such that d(u)+d(v)+d(w) n+} holds for any triple of independent vertices u, v, and w, then G is hamiltonian, where } is the vertex connectivity of G. In this note, we will give a short proof of the above result.
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