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research
The real plane Cremona group is a non-trivial amalgam
Authors
Susanna Zimmermann
Publication date
27 March 2019
Publisher
View
on
arXiv
Abstract
We show that the real Cremona group of the plane is a non-trivial amalgam of two groups amalgamated along their intersection and give an alternative proof of its abelianisation
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Archive Ouverte en Sciences de l'Information et de la Communication
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oai:HAL:hal-01719064v2
Last time updated on 09/07/2019