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3-folds CR-embedded in 5-dimensional real hyperquadrics
Journal of Geometry and Physics ( IF 1.5 ) Pub Date : 2021-01-13 , DOI: 10.1016/j.geomphys.2021.104107 Curtis Porter
中文翻译:
嵌入5倍超二次曲面的3倍CR
更新日期:2021-02-01
Journal of Geometry and Physics ( IF 1.5 ) Pub Date : 2021-01-13 , DOI: 10.1016/j.geomphys.2021.104107 Curtis Porter
E. Cartan’s method of moving frames is applied to 3-dimensional manifolds which are CR-embedded in 5-dimensional real hyperquadrics in order to classify up to CR symmetries of given by the action of one of the Lie groups or . In the latter case, the CR structure of derives from a shear-free null geodesic congruence on Minkowski spacetime, and the relationship to relativity is discussed. In both cases, we compute which homogeneous CR 3-folds appear in .
中文翻译:
嵌入5倍超二次曲面的3倍CR
E. Cartan的移动框架方法应用于3维歧管 它们嵌入在5维实数超二次方程中 为了分类 高达CR的对称性 由一个谎言团体的行动给出 要么 。在后一种情况下,CR结构由Minkowski时空的无切零零大地测等同导出,并讨论了与相对论的关系。在这两种情况下,我们都会计算出哪些均匀的CR 3折出现在。