Geodesic
The normal curvature of totally real submanifolds of S6(1)
Glasgow mathematical journal, Tome 40 (1998) no. 2, pp. 199-204

Voir la notice de l'article provenant de la source Cambridge University Press

We prove the pointwise inequality 0 ≥ ρ + ρ⊥ – 1 involving the normalized scalar curvature ρ and normal scalar curvature ρ⊥ of a totally real 3-dimensional submanifold of the nearly Kaehler 6-sphere. Further we classify submanifolds realizing the equality in this inequality. 
Smet, P. J. De; Dillen, F.; Verstraelen, L.; Vrancken, L. The normal curvature of totally real submanifolds of S6(1). Glasgow mathematical journal, Tome 40 (1998) no. 2, pp. 199-204. doi: 10.1017/S0017089500032511
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