Browsing by Subject "Concircular curvature"

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    Concircular curvature on warped product manifolds and applications
    (Springer, 2020-09) De, U. C.; Shenawy, S.; Ünal, Bülent
    This study aims mainly at investigating the effects of concircular flatness and concircular symmetry of a warped product manifold on its fiber and base manifolds. Concircularly flat and concircularly symmetric warped product manifolds are investigated. The divergence-free concircular curvature tensor on warped product manifolds is considered. Finally, we apply some of these results to generalized Robertson–Walker and standard static space-times.