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.

引用

页数：9

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