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首页> 外文期刊>Journal of geometry >Lie Groups as 4-Dimensional Riemannian orPseudo-Riemannian Almost Product Manifoldswith Nonintegrable Structure
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Lie Groups as 4-Dimensional Riemannian orPseudo-Riemannian Almost Product Manifoldswith Nonintegrable Structure

机译:Lie群为具有不可积结构的4维黎曼或伪黎曼几乎积流形

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摘要

A Lie group as a 4-dimensional pseudo-Riemannian manifold isconsidered. This manifold is equipped with an almost product structure anda Killing metric in two ways. In the first case Riemannian almost productmanifold with nonintegrable structure is obtained, and in the second case – apseudo-Riemannian one. Each belongs to a 4-parametric family of manifolds,which are characterized geometrically.
机译:考虑了作为四维伪黎曼流形的李群。该歧管通过两种方式配备了几乎产品结构和Killing指标。在第一种情况下,获得了具有不可积结构的几乎黎曼流形,而在第二种情况下,获得了伪-黎曼流形。每个都属于一个4参数的歧管族,这些歧管在几何上具有特征。

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