%0 Journal Article
%T Characterizing partition functions of the vertex model
%A Jan Draisma
%A Dion Gijswijt
%A L¨˘szl¨® Lov¨˘sz
%A Guus Regts
%A Alexander Schrijver
%J Mathematics
%D 2011
%I arXiv
%X We characterize which graph parameters are partition functions of a vertex model over an algebraically closed field of characteristic 0 (in the sense of de la Harpe and Jones). We moreover characterize when the vertex model can be taken so that its moment matrix has finite rank.
%U http://arxiv.org/abs/1102.4985v1