Spacelike submanifolds of codimension two in de Sitter space

作者：Kasedou Masaki^*

来源：Journal of Geometry and Physics, 2010, 60(1): 31-42.

DOI：10.1016/j.geomphys.2009.08.005

• de Sitter space
• Gauss map
• Space like submanifold
• Lightlike hypersurface

We investigate the differential geometry of spacelike submanifolds of codimension two in de Sitter space and classify the singularities of lightlike hypersurfaces and lightcone Gauss maps in de Sitter 4-space.

• 出版日期2010-1