Surgery of closed manifolds with dihedral fundamental group (Q1282533)

This paper computes the group of obstructions to obtaining a simple homotopy equivalence by surgery from a normal degree one map of closed manifolds with dihedral fundamental group. The cases considered are the trivial orientation for the dihedral group and the nontrivial orientation for the cyclic subgroup of order 2. Here the dihedral groups considered are 2-groups.