|    
[1] Dirac P A M. The electron wave equation in de-Sitter space. Ann Math, 1935, 36: 657–609 
 
[2] Guo H Y, Huang C G, Xu Z, Zhou B. On Beltrami model of de Sitter spacetime. hep-th/0311156 
 
[3] Lawson H B, Michelsohn M. Spin geometry. Princeton University Press, 1989 
 
[4] Look K H, Tsou C L, Kuo H Y. The kinematic effects in the classical domains and the red-shift phenomena 
of extra-galactic objects. Acta Physica Sinica, 1974, 23: 225–238 
 
[5] Lu Q K. Differential geometry and its application to physics. Beijing: Science Press, 1982 
 
[6] Lu Q K. Dirac’s conformal spaces and de-Sitter spaces. In: Memoroy of the 100th Anniversary of Einstein’s 
Special Relativity and the 70th Anniversary of Dirac’s de-Sitter Spaces and their boundaries. Beijing: 
Morningside Center, 2005 
 
[7] Maldacena J. The large N superconformal field theory and and supergravity. Adv Theor Math Phys, 1998, 
2: 231–253 
 
[8] Petersen J L. Introduction to the Maldacena conjecture on AdS/CFT. NBI-HE-99-05 
 
[9] Tegmark M, et all. Arxiv:astro/0310723 
 
[10] Witten E. Anti-de-Sitter space and holography. Adv Theor Math Phys, 1998 2: 253–291 
 
[11] Witten E, Yau S T. Connectedness of the boundary in the AdS/CFT correspondence. hep-th/9910245
  |