Comment on Ricci Collineations for type B warped space-times
General Relativity and Quantum Cosmology
2015-06-25 v2
Abstract
We present two counterexamples to the paper by Carot et al. in Gen. Rel. Grav. 1997, 29, 1223 and show that the results obtained are correct but not general.
Cite
@article{arxiv.gr-qc/9910028,
title = {Comment on Ricci Collineations for type B warped space-times},
author = {Michael Tsamparlis and Pantelis S. Apostolopoulos},
journal= {arXiv preprint arXiv:gr-qc/9910028},
year = {2015}
}
Comments
LaTex, 3 pages, Eq. (9) and reference added, typos corrected; Gen. Rel. Grav (to appear)