%0 Journal Article %A Ni, Yi %T Nonseparating spheres and twisted Heegaard Floer homology %J Algebraic and Geometric Topology %D 2013 %P 1143-1159 %V 13 %N 2 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.1143/ %R 10.2140/agt.2013.13.1143 %F 10_2140_agt_2013_13_1143