%0 Journal Article %T Invariant metrics with nonnegative curvature on compact Lie groups %A Nathan Brown %A Rachel Finck %A Matthew Spencer %A Kristopher Tapp %A Zhongtao Wu %J Mathematics %D 2004 %I arXiv %X We classify left invariant metrics with nonnegative curvature on SO(3) and U(2). %U http://arxiv.org/abs/math/0409537v1