Abstract
It is well-known that every parallel isometric immersion of space forms into space forms is isotropic in the sense of O'Neill. We characterize this parallel immersion from this point of view.
Citation
Nobutaka Boumuki. "Isotropic immersions and parallel immersions of space forms into space forms." Tsukuba J. Math. 28 (1) 117 - 126, June 2004. https://doi.org/10.21099/tkbjm/1496164716
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