%0 Journal Article %A Hausel, Tamás %A Thaddeus, Michael %T Relations in the cohomology ring of the moduli space of rank 2 Higgs bundles %J Journal of the American Mathematical Society %D 2003 %P 303-329 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-02-00417-4/ %R 10.1090/S0894-0347-02-00417-4 %F 10_1090_S0894_0347_02_00417_4