%0 Journal Article %A Lai, Yi %T O(2)-symmetry of 3D steady gradient Ricci solitons %J Geometry & topology %D 2025 %P 687-789 %V 29 %N 2 %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2025.29.687/ %R 10.2140/gt.2025.29.687 %F 10_2140_gt_2025_29_687