Invariant symmetries on non-reductive homogeneous pseudo-Riemannian four-manifolds

被引：5

作者：

Calvaruso, Giovanni ^{[1
]}

Zaeim, Amirhesam ^{[2
]}

机构：

[1] Univ Salento, Dipartimento Matemat & Fis E De Giorgi, I-73100 Lecce, Italy

[2] Payame Noor Univ, Dept Math, Tehran, Iran

来源：

REVISTA MATEMATICA COMPLUTENSE | 2015年 / 28卷 / 03期

关键词：

Killing vector fields; Affine vector fields; Ricci collineations; Matter collineations; MATTER COLLINEATIONS; RICCI COLLINEATIONS; SOLITONS;

D O I：

10.1007/s13163-015-0168-8

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We explicitly determine invariant Ricci collineations on four-dimensional non-reductive homogeneous pseudo-Riemannian manifolds, and invariant matter collineations for the Lorentzian examples.

引用

页码：599 / 622

页数：24

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