欧几里得项目
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作者:Angel Ballesteros , Ivan Gutierrez-Sagredo
来源:[C].Proceedings of the Twentieth International Conference on Geometry, Integrability and Quantization2019Project Euclid
摘要:The nine two-dimensional Cayley-Klein geometries are firstly reviewed by following a graded contraction approach. Each geometry is considered as a set of three symmetrical homogeneous spaces (of points and two kinds of lines), in such a manner that the graded contraction paramete...

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