On cohomogeneity one linear actions on pseudo-Euclidean space Rp,q
Sign Up to like & getrecommendations! Published in 2020 at "Differential Geometry and Its Applications"
DOI: 10.1016/j.difgeo.2019.101584
Abstract: Abstract The aim of this paper is to study cohomogeneity one isometric linear actions on the p + q -dimensional pseudo-Euclidean space R p , q . It is proved that the natural isometric action… read more here.
Keywords: cohomogeneity one; cohomogeneity; euclidean space; pseudo euclidean ... See more keywords
Embedding FLRW geometries in pseudo-Euclidean and anti-de Sitter spaces
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DOI: 10.1103/physrevd.95.064058
Abstract: Contrary to the general consensus in the literature that Friedmann--Lema\^{i}tre--Robertson--Walker (FLRW) geometries are of embedding class one (i.e.\ embeddable in one higher dimensional pseudo-Euclidean spaces), we show that the most general $k=0$ and $k=-1$ FLRW… read more here.
Keywords: flrw geometries; class; one higher; pseudo euclidean ... See more keywords