%0 Journal Article
%T Dijkgraaf-Witten invariants of surfaces and projective representations of groups
%A Vladimir Turaev
%J Mathematics
%D 2007
%I arXiv
%R 10.1016/j.geomphys.2007.08.009
%X We compute the Dijkgraaf-Witten invariants of surfaces in terms of projective representations of groups. As an application we prove that the complex Dijkgraaf-Witten invariants of surfaces of positive genus are positive integers.
%U http://arxiv.org/abs/0706.0160v2