Hedén, Isac and Zimmermann, Susanna. (2017) The decomposition group of a line in the plane. Proceedings of the American Mathematical Society, 145 (9). pp. 36653680.
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Abstract
We show that the decomposition group of a line L in the plane, i.e. the subgroup of plane birational transformations that send L to itself birationally, is generated by its elements of degree 1 and one element of degree 2, and that it does not decompose as a nontrivial amalgamated product.
Faculties and Departments:  05 Faculty of Science 

UniBasel Contributors:  Zimmermann, Susanna and Hedén, Isac 
Item Type:  Article, refereed 
Article Subtype:  Research Article 
Publisher:  American Mathematical Society 
ISSN:  00029939 
eISSN:  10886826 
Note:  Publication type according to Uni Basel Research Database: Journal article  First published in Proceedings of the AMS in 145 (2017), published by the American Mathematical Society 
Language:  English 
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edoc DOI:  
Last Modified:  02 Nov 2017 08:10 
Deposited On:  21 Aug 2017 12:43 
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