Grove, Karsten Max Planck Institute for Mathematics, Max Planck Society;
Chen_Rigidity theorems_oa_2016.pdf (Any fulltext), 97KB
Chen, X., & Grove, K. (2016). Rigidity theorems for submetries in positive curvature. Advances in Mathematics, 289, 784-796. doi:10.1016/j.aim.2015.11.031.