[1] Arnold V I. Mathematics method of classical mechanics. Berlin:Springer, 1978 [2] Bande G, Ghiggini P, Kotschick D. Stability theorems for symplectic and contact pairs. Int Math Res Not, 2004, 68:3673-3688 [3] Bande G, Hadjar A. Contact pairs. Tohoku Math J, 2003, 57(2):247-260 [4] Bande G, Kotschick D. The geometry of symplectic pairs. Trans Amer Math Soc, 2006, 358:1643-1655 [5] Bande G, Kotschick D. The geometry of recursion operators. Commun Math Phys, 2008, 280:737-749 [6] Boothby W M, Wang H C. On contact manifolds. Ann Math, 1958, 68:721-734 [7] Cartan E. Leçons sur les invariants intégraux. Paris:Hermann, 1922 [8] Donaldson S K. Two-forms on four-manidols and elliptic equations//Chern S S. Inspired Nankai Tracts Math. Hackensack:World Scientific, 2006, 11:153-172 [9] Geiges H. An Introduction to contact topology. Cambridge University Press, 2008 [10] He Y. New estimates of lower bound for the first eigenvalue on compact manifolds with positive Ricci curvature. Acta Mathematica Scientia, 2016, 36A(2):215-230 [11] Her H-L. On neighborhood theorems for symplectic pairs. Journal of Geometry, 2015, 106:163-174 [12] Kotschick D. On products of harmonic forms. Duke Math J, 2001, 107:521-531 [13] Kotschick D, Morita S. Signatures of foliated surface bundles and the symplectomorphism groups of surfaces. Topology, 2005, 44:131-149 [14] Lu G-C. The Weinstein conjecture on C1-smooth hypersurface of contact type. Acta Mathematica Scientia, 2002, 22B(4):557-563 [15] McDuff D, Salamon D. Introduction to symplectic topology. Second edition. Oxford:Clarendon Press, 1998 [16] Molino P. Riemannian Foliations. Birkhauser Verlag, 1998 |