Abstract
A Kato type inequality is proved for a riemannian submersion with totally geodesic fibers. It compares such a situation with the trivial fibration and generalizes analogous results for vector bundles.
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Besson, G. A Kato type inequality for Riemannian submersions with totally geodesic fibers. Ann Glob Anal Geom 4, 273–289 (1986). https://doi.org/10.1007/BF00128049
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DOI: https://doi.org/10.1007/BF00128049