Note on the classification theorems of -natural metrics on the tangent bundle of a Riemannian manifold
Mohamed Tahar Kadaoui Abbassi (2004)
Commentationes Mathematicae Universitatis Carolinae
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In [7], it is proved that all -natural metrics on tangent bundles of -dimensional Riemannian manifolds depend on arbitrary smooth functions on positive real numbers, whose number depends on and on the assumption that the base manifold is oriented, or non-oriented, respectively. The result was originally stated in [8] for the oriented case, but the smoothness was assumed and not explicitly proved. In this note, we shall prove that, both in the oriented and non-oriented cases, the...