1. Lehrstuhl D für Mathematik , RWTH Aachen University , Aachen, Germany gerhard.hiss@math.rwth-aachen.de;3. Institute of Mathematics, University of Gdańsk , Gdańsk, Poland
Abstract:
We study spin structures on flat Riemannian manifolds. The main result is a necessary and sufficient condition for a flat manifold with cyclic holonomy to have a spin structure.