%0 Journal Article
%T Exceptional representations of quivers
%A Claus Michael Ringel
%J Mathematics
%D 2013
%I arXiv
%X Let Q be a connected directed quiver with n vertices. We show that Q is representation-infinite if and only if there do exist n isomorphism classes of exceptional modules of some fixed length at least 2.
%U http://arxiv.org/abs/1312.7448v1