Geodesic
On Y. C. Wong's Conjecture
Canadian mathematical bulletin, Tome 13 (1970) no. 4, pp. 423-424

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

Let M be an n-dimensional connected C∞ manifold with a linear connection Γ. M is said to be of recurrent curvature with respect to Γ if the corresponding curvature tensor R satisfies [1], [4] where Δ denotes covariant derivative with respect to Γ and W is a nonzero covector called the recurrence co-vector. Let T be the torsion of Γ. 
Datta, D. K. On Y. C. Wong's Conjecture. Canadian mathematical bulletin, Tome 13 (1970) no. 4, pp. 423-424. doi: 10.4153/CMB-1970-078-4
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