Transcript
Page 1: On well- definedness o f local index Topology of torus actions and

On well-definedness of local index

Topology of torus actions and its applications to geometry and

combinatorics

Hajime FujitaJapan women’s university

Page 2: On well- definedness o f local index Topology of torus actions and

Joint work with M. Furuta & T. Yoshida

1/18

Page 3: On well- definedness o f local index Topology of torus actions and

Main subject of this talk

2/18

Page 4: On well- definedness o f local index Topology of torus actions and

§1. Compatible fibration

§2. Compatible system

§3. Local index

§4. Well-definedness of local index

Contents

3/18

Page 5: On well- definedness o f local index Topology of torus actions and

§1. Compatible fibration

4/18

Page 6: On well- definedness o f local index Topology of torus actions and

5/18

Page 7: On well- definedness o f local index Topology of torus actions and

6/18

Page 8: On well- definedness o f local index Topology of torus actions and

7/18

Page 9: On well- definedness o f local index Topology of torus actions and

§2. Compatible system

8/18

Page 10: On well- definedness o f local index Topology of torus actions and

9/18

Page 11: On well- definedness o f local index Topology of torus actions and

10/18

Page 12: On well- definedness o f local index Topology of torus actions and

11/18

Page 13: On well- definedness o f local index Topology of torus actions and

12/18

Page 14: On well- definedness o f local index Topology of torus actions and

§3. Local index

13/18

Page 15: On well- definedness o f local index Topology of torus actions and

14/18

Page 16: On well- definedness o f local index Topology of torus actions and

§4. Well-definedness of local index

15/18

Page 17: On well- definedness o f local index Topology of torus actions and

16/18

Page 18: On well- definedness o f local index Topology of torus actions and

17/18

Page 19: On well- definedness o f local index Topology of torus actions and

18/18

Page 20: On well- definedness o f local index Topology of torus actions and

Thank you for your attention!!

Page 21: On well- definedness o f local index Topology of torus actions and

Proof of the cobordism invariance

Analytic realization of transverse index by perturbation of Dirac-type operator by Clifford action of the Kirwan vector field.

Modification of the Braverman’s proof of the cobordism invariance of

the transverse index

Page 22: On well- definedness o f local index Topology of torus actions and

Proof of the cobordism invariance

Page 23: On well- definedness o f local index Topology of torus actions and

Proof of the cobordism invariance

Page 24: On well- definedness o f local index Topology of torus actions and

Proof of the cobordism invariance

Page 25: On well- definedness o f local index Topology of torus actions and

Proof of the cobordism invariance