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On generalized recurrent Weyl spaces and Wong's conjecture
unpublished
In [4], Y.-C Wong conjectured that the covariant derivative of the recurrence covector field of an affinely connected recurrent space A n with a torsion-free connection will be symmetric if and only if the Ricci tensor of A n is symmetric. In [6], it is proved that for a Recurrent Weyl space with a non-vanishing scalar curvature the covariant derivative of the recurrence vector field is symmetric if and only if the Weyl mani-fold is locally Riemannian. In [7], De and Guha introduced Generalized
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