Flat manifolds -- Flat manifolds with parallel torsion -- Flat bundles -- Characteristic classes of flat bundles -- Stably flat vector bundles on complexes covered by a homotopy sphere -- Flat G-structures on manifolds and the Euler characteristic -- The Chern character of elliptic symbols associated to a flat G-structure -- The index of elliptic complexes associated to a flat G-structure -- Problems

1. Mathematics
2. Geometry
3. Mathematics
4. Geometry