Các dạng không gian Sasakian tổng quát
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#Sasakian #không gian tổng quát #hình học Riemann #biến đổi đối xứngTài liệu tham khảo
D. E. Blair,Riemannian Geometry of Contact and Symplectic Manifolds, Birkhäuser, Boston, 2002.
P. Bueken and L. Vanhecke,Curvature characterizations in contact geometry, Rivista di Matematica della Università di Parma (4)14 (1988), 303–313.
S. Ianus and D. Smaranda,Some remarkable structures on the product of an almost contact metric manifold with the real line, inNational Colloquium on Geometry and Topology, University of Timişoara, 1977, pp. 107–110.
B. O’Neill,Semi-Rimannian Geometry with Applications to Relativity, Pure and Applied Mathematics 103, Academic Press, New York, 1983.
S. Suguri and S. Nakayama,D-conformal deformations on almost contact metric structure, Tensor. New Series28 (1974), 125–129.
I. Vaisman,Conformal changes of almost contact metric structures, inGeometry and Differential Geometry, Lecture Notes in Mathematics792, Springer-Verlag, Berlin, 1980, pp. 435–443.
L. Vanhecke,Almost Hermitian manifolds with J-invariant Riemann curvature tensor, Rendiconti del Seminario Mathematico della Universitá e Politecnico di Torino34 (1975–76), 487–498.