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The generalized unicorn problem in the almost regular Douglas (α,β)-spaces
Differential Geometry and its Applications ( IF 0.6 ) Pub Date : 2020-01-15 , DOI: 10.1016/j.difgeo.2019.101589 Guangzu Chen , Lihong Liu
中文翻译:
几乎规则的Douglas(α,β)空间中的广义独角兽问题
更新日期:2020-01-15
Differential Geometry and its Applications ( IF 0.6 ) Pub Date : 2020-01-15 , DOI: 10.1016/j.difgeo.2019.101589 Guangzu Chen , Lihong Liu
In this paper, we focus on almost regular Douglas -spaces. We find that any almost regular Douglas -metrics on a manifold M of dimension must be Berwald metric, if they are weak Landsberg metric.
中文翻译:
几乎规则的Douglas(α,β)空间中的广义独角兽问题
在本文中,我们关注的是几乎常规的道格拉斯 -空间。我们发现几乎所有常规的道格拉斯上歧管-度量中号尺寸的 如果它们是弱Landsberg度量,则必须为Berwald度量。