真正的飞机克雷莫纳集团是一个合并的产品

IF 0.8 4区数学 Q2 MATHEMATICS

Annales De L Institut Fourier Pub Date : 2021-01-01 DOI:10.5802/aif.3415

Susanna Zimmermann

引用次数: 1

摘要

我们证明了平面上的实Cremona群是两个群沿其交点合并的非平凡混合，并给出了它的阿贝尔化的另一种证明。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The real plane Cremona group is an amalgamated product

We show that the real Cremona group of the plane is a nontrivial amalgam of two groups amalgamated along their intersection and give an alternative proof of its abelianisation.

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来源期刊

Annales De L Institut Fourier 数学-数学

CiteScore

1.70

自引率

0.00%

发文量

审稿时长

1 months

期刊介绍： The Annales de l’Institut Fourier aim at publishing original papers of a high level in all fields of mathematics, either in English or in French. The Editorial Board encourages submission of articles containing an original and important result, or presenting a new proof of a central result in a domain of mathematics. Also, the Annales de l’Institut Fourier being a general purpose journal, highly specialized articles can only be accepted if their exposition makes them accessible to a larger audience.