| 摘要 | 第4页 |
| Abstract | 第4页 |
| Section 1.Introduction | 第5-8页 |
| Section 2.Some preliminaries | 第8-12页 |
| Section 3.On a conjecture about Randi(?) index | 第12-19页 |
| 3.1 Minimum value of Randi(?) index of graphs of order n with δ=n-2 | 第12-14页 |
| 3.2 Minimum value of Randi(?) index of graphs of order n with δ=n-3 | 第14-17页 |
| 3.3 Conjecture about minimum value of Randi(?) index of graphs of order n | 第17-19页 |
| Section 4.Randi(?) index about k-tree of order n | 第19-27页 |
| 4.1 2-tree of order n with minimum Randi(?) index | 第19-22页 |
| 4.2 k-tree of order n with minimum Randi(?) index | 第22-25页 |
| 4.3 2-tree of order n with maximum Randi(?) index | 第25-27页 |
| Section 5.Open questions | 第27-28页 |
| References | 第28-30页 |
| Acknowledgements | 第30-31页 |
