訂正日: 2006/10/20訂正理由: -訂正箇所: 論文サブタイトル訂正内容: Wrong : Dedicated to Prof. Shokichi Iyanaga on his seventieth birthday
訂正日: 2006/10/20訂正理由: -訂正箇所: 引用文献情報訂正内容: Right : [1] Bang-yen Chen, On a variational problem on hypersurfaces, J. London Math. Soc., (2) 6 (1973), 321-325. [2] Bang-yen Chen and C. S. Houh, On stable submanifolds with parallel mean curvature vector, Quart. J. Math., Oxford, (3), 26 (1975), 229-236. [3] Bang-yen Chen and K. Yano, On the theory of normal variations, to appear in J. of Differential Geometry. [4] M. Okumura, Certain almost contact hypersurfaces in Kaehlerian manifolds of constant holomorphic sectional curvatures, Tôhoku Math. J., 16 (1964), 270-284. [5] S. Sasaki, Almost contact manifolds, Lecture Note, Tôhoku Univ., 1965. [6] Y. Tashiro, On contact structure of hypersurfaces in complex manifolds, I, II, Tôhoku Math. J, 15 (1963), 62-78; 167-175. [7] K. Yano, Sur la théorie des déformations infinitésimales, J. Fac. Sci., Univ. Tokyo, 6 (1944), 1-75. [8] K. Yano, The theory of Lie derivatives and its applications, North-Holland Publ. Co., Amsterdam, 1957. [9] K. Yano, Infinitesimal variations of submanifolds, to appear in Kodai Math. Sem. Rep. [10] K. Yano and S. Tachibana, Sur les déformations complexes isométriques des hypersurfaces complexes, C. R. Acad. Sc. Paris, 282 (1976), 1003-1005.