1 Introduction

2 Preliminary  
2.1 Some basics for lepto genesis relevant for our study  
2.2 RGE of neutrino Yukawa couplings

3 Motivations of our study and its complementarities to previous related studies  
3.1 Motivations of our study  
3.2 Complementarities of our study to previous related studies

4 Study for scenarios of \(O=O_{1}, O_{2}, O_{3}, O_{4}\)

5 Study for scenarios of \(O=O_{x}^{\prime}, O_{y}^{\prime}, O_{z}^{\prime}\)

6 Study for scenario of \(O=I\)

7 Summary