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Classification of Douglas (α,β)-metrics on five-dimensional nilpotent Lie groups
International Journal of Geometric Methods in Modern Physics ( IF 2.1 ) Pub Date : 2020-06-23 , DOI: 10.1142/s0219887820501121
Masoumeh Hosseini 1 , Hamid Reza Salimi Moghaddam 1
Affiliation  

In this paper, we classify all simply connected five-dimensional nilpotent Lie groups which admit [Formula: see text]-metrics of Berwald and Douglas type defined by a left invariant Riemannian metric and a left invariant vector field. During this classification, we give the geodesic vectors, Levi-Civita connection, curvature tensor, sectional curvature and [Formula: see text]-curvature.

中文翻译:

五维幂零李群上的道格拉斯(α,β)度量分类

在本文中,我们对所有简单连接的五维幂零李群进行分类,这些李群承认 [公式:见文本]-由左不变黎曼度量和左不变向量场定义的 Berwald 和道格拉斯类型度量。在这个分类过程中,我们给出了测地线向量、Levi-Civita 连接、曲率张量、截面曲率和[公式:见正文]-曲率。
更新日期:2020-06-23
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