-
[1]
A. Trautman, Internat. J. Theoret. Phys., 16(8):561-565 (1977)
-
[2]
E. Corrigan, C. Devchand, D. Fairlie, and J. Nuyts, Nucl. Phys. B, 214(3):452-464 (1983)
-
[3]
B. Grossman, T. W. Kephart, and J. D. Statsheff, Comm. Math. Phys., 96(4):431-437 (1984)
-
[4]
D. Baraglia and P. Hekmati, Adv. in Math., 294:562-595 (2016)
-
[5]
A. A. Belavin, A. M. Polyakov, A. S. Schwartz, and Y. S. Tyupkin, Phys. Lett. B, 59(1):85-87 (1975)
-
[6]
A. S. Schwarz, Phys. Lett. B, 67(2):172-174 (1977)
-
[7]
G. 't Hooft, Phys. Rev. D, 14:3432-3450 (1976)
-
[8]
D. H. Tchrakian, J. Math. Phys., 21(1):166-169 (1980)
-
[9]
G. Tian, Ann. of Math. (2), 151(1):193-268 (2000)
-
[10]
A. Deser, O. Lechtenfeld, and A. D. Popov, Nuc. Phys. B, 894:361-373 (2015)
-
[11]
T. A. Ivanova, O. Lechtenfeld, A. D. Popov, and Maike Torm Nuc. Phys. B, 882:205-218 (2014)
-
[12]
S. Brendle, ArXiv Mathematics e-prints (2003), math/0302094
-
[13]
İ. Şener, Commun. Theor. Phys., 66(4):379-384 (2016)
-
[14]
D. E. Blair, Riemannian Geometry of Contact and Symplectic Manifolds, (Birkhuser Basel, 2010)
-
[15]
İ. Şener, Chinese Physics C, 42(1):013107 (2018)
-
[16]
K. K. Uhlenbeck, Comm. Math. Phys., 83(1):11-29 (1982)
-
[17]
J. A. de Azcrraga and J. M. Izquierdo, Lie Groups, Lie Algebras, Cohomology and some Applications in Physics, (Cambridge:Cambridge University Press, 1995)
-
[18]
K. Yano, Tensor (New Series), 14:99-109 (1963)