Symmetric hyperbolic systems for Bianchi equations

被引：14

作者：

Bonilla, MAG

机构：

[1] Univ Barcelona, Dept Fis Fonamental, E-08028 Barcelona, Spain

[2] IEC, Societat Catalana Fis, Lab Fis Matemat, Barcelona, Spain

来源：

CLASSICAL AND QUANTUM GRAVITY | 1998年 / 15卷 / 07期

关键词：

D O I：

10.1088/0264-9381/15/7/014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We obtain a family of first-order symmetric hyperbolic systems for the Bianchi equations. They have only physical characteristics: the light cone and timelike hypersurfaces. In the proof of the hyperbolicity, new positivity properties of the Bel tensor are used.

引用

页码：2001 / 2005

页数：5

共 9 条

[1]

ANDERSON A, 1997, IN PRESS TOPOLOGICAL

[2]

BEL L, 1959, CR HEBD ACAD SCI, V248, P1297

[3] Positivity properties of the Bel-Robinson tensor [J].