Memoirs of the Graduate School of Science and Engineering, Shimane University. Series B, Mathematics 37
2004-03 発行
Description
It is known that all parallel immersions of space forms into space forms are isotropic in the sense of O’Neill. We characterize these parallel immersions with low codimension in terms of isotropic immersions. This is an improvement of S. Maeda’s result [M].