Kinematical Lie algebras via deformation theory

Kinematical Lie algebras via deformation theory
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通过变形理论的运动学李代数

DOI:
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发表时间:
2017
期刊:
Journal of Mathematics and Physics
影响因子:
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通讯作者:
J. Figueroa
J. Figueroa
中科院分区:
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文献类型:
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作者:
J. Figueroa

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我们提出了一个变形理论的方法来分类的运动李代数在3+1维和目前的计算导致的分类的所有变形的静态运动李代数及其普遍的中心扩展,同构。此外,我们确定这些李代数承认一个不变的对称内积。在新的结果中,我们发现了中心扩张静态运动李代数的一些变形,它们是静态运动李代数变形的扩张(但不是中心)。本文奠定了基础的两个同伴论文,提出了类似的分类在D + 1维度的所有D>3和2+1维度。
We present a deformation theory approach to the classification of kinematical Lie algebras in 3+1 dimensions and present calculations leading to the classifications of all deformations of the static kinematical Lie algebra and of its universal central extension, up to isomorphism. In addition we determine which of these Lie algebras admit an invariant symmetric inner product. Among the new results, we find some deformations of the centrally extended static kinematical Lie algebra which are extensions (but not central) of deformations of the static kinematical Lie algebra. This paper lays the groundwork for two companion papers which present similar classifications in dimension D + 1 for all D>3 and in dimension 2+1.
DOI: 10.1063/1.5025785
发表时间: 2018
影响因子: 1.3
作者:
Andrzejewski T
通讯作者: Andrzejewski T