Abstract
We consider the theory of constant rank projective mappings of compact Riemannian manifolds from the global point of view. We study projective immersions and submersions. As an example of the results, letf:(M, g) → (N, g′) be a projective submersion of anm-dimensional Riemannian manifold (M, g) onto an (m−1)-dimensional Riemannian manifold (N, g′). Then (M, g) is locally the Riemannian product of the sheets of two integrable distributions Kerf * and (Kerf *)⊥ whenever (M, g) is one of the two following types: (a) a complete manifold with Ric ≥ 0; (b) a compact oriented manifold with Ric ≤ 0.
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Translated fromMatematicheskie Zametki, Vol. 58, No. 1, pp. 111–118, July, 1995.
This work was partially supported by the Russian Foundation for Basic Research grant No. 94-01-0195.
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Stepanov, S.E. On the global theory of projective mappings. Math Notes 58, 752–756 (1995). https://doi.org/10.1007/BF02306184
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DOI: https://doi.org/10.1007/BF02306184