Geodesic
Morse indices of Yang-Mills connections over the unit sphere
Compositio Mathematica, Tome 98 (1995) no. 2, pp. 177-192.

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Nayatani, Shin; Urakawa, Hajime. Morse indices of Yang-Mills connections over the unit sphere. Compositio Mathematica, Tome 98 (1995) no. 2, pp. 177-192. http://geodesic.mathdoc.fr/item/CM_1995__98_2_177_0/

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