The decomposition group of a line in the plane

Hedén, Isac and Zimmermann, Susanna. (2016) The decomposition group of a line in the plane. Preprints Fachbereich Mathematik, 2016 (11).

[img] PDF - Published Version

Official URL: https://edoc.unibas.ch/69974/

Downloads: Statistics Overview


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 non-trivial amalgamated product.
Faculties and Departments:05 Faculty of Science > Departement Mathematik und Informatik > Mathematik > Algebra (Blanc)
12 Special Collections > Preprints Fachbereich Mathematik
UniBasel Contributors:Zimmermann, Susanna
Item Type:Preprint
Publisher:Universität Basel
edoc DOI:
Last Modified:22 Apr 2019 22:12
Deposited On:28 Mar 2019 09:51

Repository Staff Only: item control page