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Flag curvatures on Berwald submersions

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Abstract

In this paper, we give some fundamental equations of curvature tensors on Berwald submersions, which imply the relationship of flag curvatures of the associated manifolds and the fibers.

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Acknowledgements

The author would like to thank the reviewer very much for his (her) helpful comments.

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Authors and Affiliations

  1. School of Mathematical Sciences, Xiamen University, Xiamen, 361005, People’s Republic of China

    Rongmu Yan

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  1. Rongmu Yan
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Correspondence to Rongmu Yan.

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Supported by the National Natural Science Foundation of China (11571287,11871405) and the Natural Science Foundation of Fujian Province of China (2016J01034).

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Yan, R. Flag curvatures on Berwald submersions. Period Math Hung 81, 115–122 (2020). https://doi.org/10.1007/s10998-020-00319-0

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