訂正日: 2006/09/26訂正理由: -訂正箇所: 引用文献情報訂正内容: Right : [1] Bochner, S., Vector fields and Ricci curvature, Bull. Amer. Math. Soc., 52 (1946), 776-797. [2] Bochner, S., Curvature and Betti numbers, Ann. of Math., 49 (1948), 179-195. [3] Bochner, S., Tensor fields and Ricci curvature in Hermitian metric, Proc. Nat. Acad. Sci. U. S. A., 37 (1951), 704-706. [4] Bochner, S. and K. Yano, Tensor fields in non-symmetic connections, Ann. of Math., 47 (1946), 85-121. [5] Chern, S. S., Lecture note on differential geometry I, Chicago, 1955. [6] Conner, P. E., The Green's and Neuman's problems for differential forms on Riemannian manifold, Proc. Nat. Acad. Sci. U. S. A., 40 (1954), 1151-1155. [7] Duff, F. G. D. and D. C. Spencer, Harmonic tensor on Riemannian manifolds with boundary, Ann. of Math., 56 (1952), 128-156. [8] Eilenberg, S. and N. Steenrod, Foundations of algebraic topology, Princeton, 1952. [9] Eisenhart, L. P., Riemannian geometry, Princeton, 1926. [10] Hsing, C. C., Curvature and Betti numbers of compact Riemannian manifolds with boundary, Rend. Sem. Math. Univ. Politec. Torino, 17 (1957-58), 1-36. [11] Lichnerowicz, A., Courbure et nombers de Betti d'une variété riemannienne compacte, C. R. Acad. Sci. Paris, 226 (1948), 1678-1680. [12] Mogi, I., On harmonic field in Riemannian manifold, Kodai Math. Sem. Rep., 2 (1950), 61-66. [13] Nakae, T., Curvature and relative Betti numbers, J. Math. Soc. Japan, 9 (1957), 367-373. [14] de Rham, G., Variétés différentiables, Paris, 1955. [15] Schouten, J. A., Ricci-calculus, Springer, 1956. [16] Tomonaga, Y., On Betti numbers of Riemannian spaces, J. Math. Soc. Japan, 2 (1950), 93-104. [17] Yano, K., On harmonic and Killing vector fields, Ann. of Math., 55 (1952), 38-45. [18] Yano, K., Some remarks on tensor fields and curvature, Ann. of Math., 55 (1952), 328-347. [19] Yano, K., Harmonic and Killing vector fields in compact orientable Riemannian spaces with boundary, Ann. of Math., 69 (1959), 588-597. [20] Yano, K., Harmonic and Killing tensor fields in Riemannian spaces with boundary, J. Math. Soc. Japan, 10 (1958), 430-437. [21] Yano, K., Sur les vecteurs harmoniques et vecteurs de Killing dans un espace de Riemann à frontière, C. R. Acad. Sci. Paris, 247 (1958), 1085-1087. [22] Yano, K. and S. Bochner, Curvature and Betti numbers, Ann. of Math. Studies, No. 32, Princeton, 1953. [23] Yano, K. and T. Takahashi, Some remarks on harmonic and Killing tensor fields in a Riemannian space with boundary, to appear.