| 1 On a Class of Dubreil-Jacotin Semigroups | 第1-18页 |
| ·Preliminaries | 第6-7页 |
| ·Definitions and characterizations | 第7-10页 |
| ·The cartesian ordered semidirect product | 第10-14页 |
| ·The lexicographic ordered semidirect product | 第14-18页 |
| 2 The Structure Of Certain Naturally Ordered IC Quasi-adequate Semigroups | 第18-36页 |
| ·Preliminaries | 第19-22页 |
| ·Definitions and characterizations | 第22-30页 |
| ·The structure theorems | 第30-36页 |
| 3 Naturally ordered quasi-adequate semigroups with greatest idempotents | 第36-48页 |
| ·Introduction and preliminaries | 第36-39页 |
| ·Properties | 第39-43页 |
| ·Construction | 第43-48页 |
