訂正日: 2006/10/20訂正理由: -訂正箇所: 引用文献情報訂正内容: Wrong : 1) E. Abbena, An example of an almost Kähler manifold which is not Kählerian, Boll. Un. Mat. Ital. (6) 3A (1984), 383-392. 2) L. A. Cordero, M. Fernandez and A. Gray, Symplectic manifolds with no Kaehler structure, preprint. 3) L. A. Cordero, M. Fernandez and M. de Leon, Examples of compact non-Kähler almost Kähler manifolds, Proc. Amer. Math. Soc., 95 (1985), 280-286. 4) S. I. Goldberg, Integrability of almost Kähler manifolds, Proc. Amer. Math. Soc., 21 (1969), 96-100. 5) S. Kobayashi and K. Nomizu, Foundations of Differential Geometry, II, New York, Interscience, 1969. 6) K. Sekigawa, On some 4-dimensional compact Einstein almost Kähler manifolds, Math. Ann., 271 (1985), 333-337. 7) W. P. Thurston, Some simple examples of symplectic manifolds, Proc. Amer. Math. Soc., 55 (1976), 467-468. 8) F. Tricerri and L. Vanhecke, Curvature tensors on almost Hermitian manifolds, Trans. Amer. Math. Soc., 267 (1981), 365-398. 9) B. Watson, New examples of strictly almost Kähler manifolds, Proc. Amer. Math. Soc., 88 (1983), 541-544. 10) K. Yano, Differential geometry on complex and almost complex spaces, New York, Pergamon, 1965.
Right : [1] E. Abbena, An example of an almost Kähler manifold which is not Kählerian, Boll. Un. Mat. Ital. (6) 3A (1984), 383-392. [2] L. A. Cordero, M. Fernandez and A. Gray, Symplectic manifolds with no Kaehler structure, preprint. [3] L. A. Cordero, M. Fernandez and M. de Leon, Examples of compact non-Kähler almost Kähler manifolds, Proc. Amer. Math. Soc., 95 (1985), 280-286. [4] S. I. Goldberg, Integrability of almost Kähler manifolds, Proc. Amer. Math. Soc., 21 (1969), 96-100. [5] S. Kobayashi and K. Nomizu, Foundations of Differential Geometry, II, New York, Interscience, 1969. [6] K. Sekigawa, On some 4-dimensional compact Einstein almost Kähler manifolds, Math. Ann., 271 (1985), 333-337. [7] W. P. Thurston, Some simple examples of symplectic manifolds, Proc. Amer. Math. Soc., 55 (1976), 467-468. [8] F. Tricerri and L. Vanhecke, Curvature tensors on almost Hermitian manifolds, Trans. Amer. Math. Soc., 267 (1981), 365-398. [9] B. Watson, New examples of strictly almost Kähler manifolds, Proc. Amer. Math. Soc., 88 (1983), 541-544. [10] K. Yano, Differential geometry on complex and almost complex spaces, New York, Pergamon, 1965.