%0 Journal Article %A King, Simon A %A Green, David %A Ellis, Graham %T The mod–2 cohomology ring of the third Conway group is Cohen–Macaulay %J Algebraic and Geometric Topology %D 2011 %P 719-734 %V 11 %N 2 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.719/ %R 10.2140/agt.2011.11.719 %F 10_2140_agt_2011_11_719