| Acknowledgements | 第5-6页 |
| Abstract | 第6页 |
| Chapter 1 Introduction | 第10-18页 |
| 1.1 Background | 第10-11页 |
| 1.2 The influence of embedded subgroups on the structure of finite groups | 第11-15页 |
| 1.3 Generalized ideals in ordered left almost semigroups | 第15-18页 |
| Chapter 2 Notations and Preliminary Results | 第18-24页 |
| 2.1 Basic Concepts | 第19-22页 |
| 2.2 Basic Results | 第22-24页 |
| Chapter 3 The influence of σ-embedded and σ-n-embedded subgroups on the structure offinite groups | 第24-36页 |
| 3.1 Introduction | 第24-25页 |
| 3.2 Preliminaries | 第25-26页 |
| 3.3 Main Results | 第26-34页 |
| 3.4 Some Applications of Main Results | 第34-36页 |
| Chapter 4 Finite groups with given SΦ-embedded subgroups | 第36-48页 |
| 4.1 SΦ-embedded subgroups | 第36-37页 |
| 4.2 Preliminaries | 第37-39页 |
| 4.3 Main Results | 第39-45页 |
| 4.4 Some Applications of Main Results | 第45-48页 |
| Chapter 5 On Weakly (?)-permutable subgroups of finite groups | 第48-60页 |
| 5.1 Weakly (?)-permutable subgroups | 第48-49页 |
| 5.2 Preliminaries | 第49-51页 |
| 5.3 Main Results | 第51-57页 |
| 5.4 Some Applications of Main Results | 第57-60页 |
| Chapter 6 Generalized ideals in ordered LA-semigroups | 第60-70页 |
| 6.1 Preliminaries | 第60-61页 |
| 6.2 (m,n)-ideals in completely ordered LA-semigroups | 第61-66页 |
| 6.3 (m, n)-ideals in(m,n)-regular ordered LA-semigroups | 第66-70页 |
| References | 第70-74页 |
| Research work conducted during PhD | 第74页 |
