On focal locus of submanifolds of naturally reductive compact Riemannian homogeneous spaces
Using Ziller's Jacobi field representation [\textit{W. Ziller}, Comment. Math. Helv. 52, 573-590 (1977; Zbl 0368.53033)] the focal points along normal geodesics of a submanifold are computed.
scientific article; zbMATH DE number 4046595