訂正日: 2006/08/29訂正理由: -訂正箇所: 引用文献情報訂正内容: Wrong : 1) Ficken, F. A., The riemannian and affine differential geometry of product spaces. Ann. of Math., 40 (1939), pp. 892-913. 2) Nomizu, K., Invariant afline connections on homogeneous spaces. Amer. J. Math., 76 (1954), pp. 33-65. 3) Whitehead, J. H. C,, Affine spaces of paths which are symmetric about each point. Math. Zeitschr., 3b (1932), pp. 644-659.
Right : 1) Ficken, F. A., The riemannian and affine differential geometry of product spaces. Ann. of Math., 40 (1939), pp. 892-913. 2) Nomizu, K., Invariant affine connections on homogeneous spaces. Amer. J. Math., 76 (1954), pp. 33-65. 3) Whitehead, J. H. C,, Affine spaces of paths which are symmetric about each point. Math. Zeitschr., 35 (1932), pp. 644-659.