The algebraic theory of finiteness obstruction.
The Novikov conjecture and low-dimensional topology.
The Stable Topological-hyperbolic Space Form Problem for Complete Manifolds of Finite Volume.
The surgery L-groups of poly-(finite or cyclic) groups.
The Surgery Obstruction Groups for Finite 2-Groups.
The surgery obstruction groups of the infinite dihedral group.
The topological rationality of linear representations