The goal of this project, devoted to manifolds and cell complexes, is to explore the interrelationships between the topology of 3-manifolds and the types of laminations and representations that 3-manifolds possess. The main questions to be investigated are the following: (1) Given a compact oriented laminated 3-manifold N and an irreducible 3-manifold M homotopy equivalent to N, is M homeomorphic to N? If a homeomorphism from M to itself is homotopic to the identity, is it isotopic to the identity? (2) What 3-manifolds are laminated? (3) Calculate the degenerate invariant of a knot in the 3-sphere. Given an oriented link in the 3-sphere, find an effective way to decide if it is fibred and if so complete its monodromy. Can one obtain a counterexample to the Poincare conjecture by surgery on a knot? (4) Calculate the topological type of the representation spaces of the Brieskorn homology spheres. (5) Define and calculate equivariant instanton homology. (6) Calculate the relative Floer index of two flat connections on homology spheres obtained by surgery on knots. (7) Show that a link of two components in the 4-sphere is nullhomotopic.

Agency
National Science Foundation (NSF)
Institute
Division of Mathematical Sciences (DMS)
Application #
8902343
Program Officer
Ralph M. Krause
Project Start
Project End
Budget Start
1989-07-01
Budget End
1993-06-30
Support Year
Fiscal Year
1989
Total Cost
$103,800
Indirect Cost
Name
California Institute of Technology
Department
Type
DUNS #
City
Pasadena
State
CA
Country
United States
Zip Code
91125