%0 Journal Article %A Lai, Yi %T Producing 3D Ricci flows with nonnegative Ricci curvature via singular Ricci flows %J Geometry & topology %D 2021 %P 3629-3690 %V 25 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2021.25.3629/ %R 10.2140/gt.2021.25.3629 %F GT_2021_25_7_a6