Abstract
It is proved that the hamiltonian index of a connected graph other than a path is less than its diameter which improves the results of P. A. Catlin etc. [J. Graph Theory 14 (1990) 347-364] and M. L. Saražin [Discrete Math. 134(1994)85-91]. Nordhaus-Gaddum's inequalities for the hamiltonian index of a graph are also established.
| Original language | English |
|---|---|
| Pages (from-to) | 775-784 |
| Number of pages | 10 |
| Journal | Graphs and Combinatorics |
| Volume | 17 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2001 |
| Externally published | Yes |
Keywords
- Diameter
- Hamiltonian index
- Nordhaus-Gaddum's inequality
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