数学物理学报(英文版) ›› 2023, Vol. 43 ›› Issue (3): 994-1006.doi: 10.1007/s10473-023-0302-5

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RANDERS SPACES WITH SCALAR FLAG CURVATURE*

Jintang LI   

  1. School of Mathematical Sciences, Xiamen University, Xiamen 361005, China
  • 收稿日期:2022-01-07 修回日期:2022-05-05 出版日期:2023-06-25 发布日期:2023-06-06
  • 作者简介:Jintang LI, E-mail: dli66@xmu.edu.cn
  • 基金资助:
    National Natural Science Foundation of China (11871405).

RANDERS SPACES WITH SCALAR FLAG CURVATURE*

Jintang LI   

  1. School of Mathematical Sciences, Xiamen University, Xiamen 361005, China
  • Received:2022-01-07 Revised:2022-05-05 Online:2023-06-25 Published:2023-06-06
  • About author:Jintang LI, E-mail: dli66@xmu.edu.cn
  • Supported by:
    National Natural Science Foundation of China (11871405).

摘要: Let $(M, F)$ be an $n$-dimensional Randers space with scalar flag curvature. In this paper, we will introduce the definition of a weak Einstein manifold. We can prove that if $(M, F)$ is a weak Einstein manifold, then the flag curvature is constant.

关键词: Randers spaces, flag curvature, sectional curvature, weak Einstein manifold

Abstract: Let $(M, F)$ be an $n$-dimensional Randers space with scalar flag curvature. In this paper, we will introduce the definition of a weak Einstein manifold. We can prove that if $(M, F)$ is a weak Einstein manifold, then the flag curvature is constant.

Key words: Randers spaces, flag curvature, sectional curvature, weak Einstein manifold