A graph G is called uniquely hamiltonian-connected from a vertex v of G if G contains exactly one v-u hamiltonian path for each vertex u, u ~ v. It is shown that if G is uniquely hamiltonian-connected from a vertex v and G has order n/> 5, then G has exactly Β½(3n-3) edges, G -v has exactly one hamil
Graphs uniquely hamiltonian-connected from a vertex
β Scribed by G.R.T Hendry
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 558 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0012-365X
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β¦ Synopsis
A graph G is called uniquely hamiitonian-connected from a vertex v if, for every vertex u Β’: v, there is exactly one v-u hamiltonian path in G. The main results are that if [ V(G)[ = n 3, then (1) deg(v) is even (2) n is odd, and ( ) IE(G)[<~(3n-3)I2. Several constructions of graphs uniquely hamiltonian-connected from a vertex are given.
π SIMILAR VOLUMES
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