The main result is the classification of isotropic surface in Q~3, which shows that one can use the isotropic surface in Q~3 to unify the three different classes of minimal surface with constant scalar curvature in R~3_1,S~3_1,H~3_1.
研究了Lorentz空间R31,S31,H31的紧致化空间Q3上的曲面,并对Q3中的迷向曲面进行分类。