Han Annie Yi

Publications in Math-Net.Ru

1. Characterization of hyperbolic cylinders in a Lorentzian space form
   
   Zh. Mat. Fiz. Anal. Geom., 8:1 (2012),  79–89
2. Nonnegative Sectional Curvature Hypersurfaces in a Real Space Form
   
   Mat. Zametki, 86:5 (2009),  776–793