Blanc, Jérémy and Dubouloz, Adrien. (2015) Affine surfaces with a huge group of automorphisms. International mathematics research notices, 2015, no. 2. pp. 422-459.
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Official URL: http://edoc.unibas.ch/dok/A6174467
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Abstract
We describe a family of rational affine surfaces S with huge groups of automorphisms in the following sense: the normal subgroup Aut(S)alg of Aut(S) generated by all algebraic subgroups of Aut(S) is not generated by any countable family of such subgroups, and the quotient Aut(S)/Aut(S)alg cointains a free group over an uncountable set of generators.
| Faculties and Departments: | 05 Faculty of Science > Departement Mathematik und Informatik > Mathematik > Algebraische Geometrie (Blanc) |
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| UniBasel Contributors: | Blanc, Jérémy |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | Hindawi Publ. Corp. |
| ISSN: | 1073-7928 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
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| Last Modified: | 08 May 2015 08:45 |
| Deposited On: | 08 May 2015 08:45 |
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