%0 Journal Article %A Fang Duan %A Qiongxiang Huang %A Xueyi Huang %T On graphs with exactly two positive eigenvalues %J Ars Mathematica Contemporanea %D 2019 %P 319-347 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.1516.58f/ %R 10.26493/1855-3974.1516.58f %G en %F 10_26493_1855_3974_1516_58f