| 摘要 | 第1-6页 |
| Abstract | 第6-8页 |
| 0. Introduction and Preliminaries | 第8-12页 |
| ·Concepts and Preparations | 第10-12页 |
| 1. Maximal subsemigroups of R-classes and L-classes in T_n | 第12-15页 |
| ·Dipiction of maximal subsemigroups of R-classes and L-classes | 第12-13页 |
| ·The relationship between maximal subsemigroups of R-classes and L-classes | 第13-15页 |
| 2. Maximal subsemigroups of D-classes D_r | 第15-19页 |
| 1. Basic concepts | 第15页 |
| 2. Dipiction of maximal subsemigroups of D-classes D_r | 第15-19页 |
| 3. The isomorphism of maximal subsemigroups of D-classes | 第19-24页 |
| ·Isomorphism of maximal subsemigroups of R-classes and L-classes | 第20-21页 |
| ·Isomorphism of maximal subsemigroups of D-classes | 第21-24页 |
| Acknowledgements | 第24-25页 |
| Bibliography | 第25-27页 |
| Publications | 第27-28页 |
