%0 Journal Article %A Ju Tan %A Na Xu %T Conformal Vector Fields on Lie Groups of Dimension 4 with Signature of (2,2) %J Journal of Lie Theory %D 2021 %P 543-556 %V 31 %N 2 %U http://geodesic.mathdoc.fr/item/JOLT_2021_31_2_a12/ %F JOLT_2021_31_2_a12