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Comment on Ricci Collineations for spherically symmetric space-times | | Pantelis S. Apostolopoulos
; Michael Tsamparlis
; | | Date: |
25 Aug 2001 | | Journal: | Gen.Rel.Grav. 34 (2002) 49-52 | | Subject: | gr-qc | | Abstract: | It is shown that the results of the paper by Contreras et al. [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. | | Source: | arXiv, gr-qc/0108064 | | Services: | Forum | Review | PDF | Favorites | |
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