An instanton-invariant for 3-manifolds
Abstract
To an oriented closed 3-dimensional manifold M with H 1( M, &Z;)=0, we assign a &Z;8-graded homology group I *( M) whose Euler characteristic is twice Casson's invariant. The definition uses a construction on the space of instantons on M×&R;.
- Publication:
-
Communications in Mathematical Physics
- Pub Date:
- June 1988
- DOI:
- 10.1007/BF01218578
- Bibcode:
- 1988CMaPh.118..215F