Noncommutative topological theories of gravity -: art. no. 045010

被引：47
|
作者：
García-Compeán, H
Obregón, O
Ramírez, C
Sabido, M
机构：
[1] Inst Politecn Nacl, Ctr Invest & Estudios Avanzados, Dept Fis, Mexico City 07000, DF, Mexico
[2] Univ Cambridge, DAMTP, Cambridge CB3 0WA, England
[3] Univ Guanajuato, Inst Fis, Leon Gto 37150, Spain
[4] Univ Autonoma Puebla, Fac Ciencias Fis Matemat, Puebla 72000, Mexico
来源：
PHYSICAL REVIEW D | 2003年 / 68卷 / 04期
关键词：
D O I：
10.1103/PhysRevD.68.045010
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The possibility of noncommutative topological gravity arising in the same manner as Yang-Mills theory is explored. We use the Seiberg-Witten map to construct such a theory based on a SL(2,C) complex connection, from which the Euler characteristic and the signature invariant are obtained. Finally, we speculate on the description of noncommutative gravitational instantons, as well as noncommutative local gravitational anomalies.
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页数：9
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