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  • In Riemannian geometry, the Schouten tensor is a second-order tensor introduced by Jan Arnoldus Schouten. It is defined by, for n ≥ 3, where Ric is the Ricci tensor, R is the scalar curvature, g is the Riemannian metric, is the trace of P and n is the dimension of the manifold. The Weyl tensor equals the Riemann curvature tensor minus the Kulkarni–Nomizu product of the Schouten tensor with the metric. In an index notation The Schouten tensor often appears in conformal geometry because of its relatively simple conformal transformation law where

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