Comment on Ricci collineations for spherically symmetric space-times

被引：2

作者：

Apostolopoulos, PS ^{[1
]}

Tsamparlis, M ^{[1
]}

机构：

[1] Univ Athens, Dept Phys, Sect Astrophys Astron Mech, Athens 15783, Greece

来源：

GENERAL RELATIVITY AND GRAVITATION | 2002年 / 34卷 / 01期

关键词：

spherically symmetric space-times; Ricci collineations; Robertson-Walker space-time;

D O I：

10.1023/A:1015214404912

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

It is shown that the results of the paper Contreras, G., Nunez, L. A., Percoco, U. Ricci Collineations for Non-degenerate, Diagonal and Spherically Symmetric Ricci Tensors (2000). Gen. Rel. Grav 32, 285-294 concerning the Ricci Collineations in spherically symmetric space-times with non-degenerate and diagonal Ricci tensor do not cover all possible cases, Furthermore the complete algebra of Ricci Collineations of certain Robertson-Walker metrics of vanishing spatial curvature are given.

引用

页码：49 / 52

页数：4

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