The torsion tensor is a mathematical object that arises in differential geometry and is used in the context of manifold theory, especially in connection with affine connections and Riemannian geometry. It provides a way to describe the twisting or non-symmetries of a connection on a manifold. ### Definition In general, a connection on a manifold defines how to compare tangent vectors at different points, allowing us to define notions such as parallel transport and differentiation of vector fields.
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