On the geometrical properties of solvable Lie groups

Autor:	Mehri Nasehi, Mansour Aghasi
Rok vydání:	2015
Předmět:	Algebra Invariant polynomial Simple Lie group Lie group Mathematics::Differential Geometry Geometry and Topology Finite type invariant Mathematics
Zdroj:	Advances in Geometry. 15:507-517
ISSN:	1615-7168 1615-715X
DOI:	10.1515/advgeom-2015-0025
Popis:	In [3] Bozek introduced a class of solvable Lie groups M2n+1. Calvaruso, Kowalski and Marinosci in [9] have studied homogeneous geodesics on these homogeneous spaces with an arbitrary odd dimension. In [1] we have studied some other geometrical properties on these spaces with dimension five. Our aim in this paper is to extend those geometrical properties for an arbitrary odd dimension in both Riemannian and Lorentzian cases. In fact we first obtain all of the descriptions of their homogeneous Lorentzian and Riemannian structures and their types. Then we calculate the energy of an arbitrary left-invariant vector field X on these spaces and in the Lorentzian case we prove that no left-invariant unit time-like vector fields on these spaces are critical points for the space-like energy. There is also a proof of non-existence of invariant contact structures and left-invariant Ricci solitons on these homogeneous spaces.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7f8ba77b47b35cf9be103630829be2aa https://doi.org/10.1515/advgeom-2015-0025 Zobrazit plný text záznamu