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

被引：46

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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