Abstract
We have characterized locally symmetric and Ricci-symmetric contact metric manifolds of dimension greater than 3, by assuming certain conditions on the curvature and Ricci curvature along the characteristic vector field of the contact structure.
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Sharma, R., Koufogiorgos, T. Locally symmetric and ricci-symmetric contact metric manifolds. Ann Glob Anal Geom 9, 177–182 (1991). https://doi.org/10.1007/BF00776855
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DOI: https://doi.org/10.1007/BF00776855