Rigidity and flexibility of group actions on the circle

3 An introduction to rigidity 7 3.1 Local rigidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Full rigidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3 Strong (Mostow) Rigidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.4 The Zimmer program… CONTINUE READING

3 Figures & Tables