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Equivariant Compactifications of Two-Dimensional Algebraic Groups

Published online by Cambridge University Press:  27 October 2014

Ulrich Derenthal
Affiliation:
Institut für Algebra, Zahlentheorie und Diskrete Mathematik, Leibniz Universität Hannover, Weifengerten 1, 30167 Hannover, Germany, ([email protected]; [email protected])
Daniel Loughran
Affiliation:
Institut für Algebra, Zahlentheorie und Diskrete Mathematik, Leibniz Universität Hannover, Weifengerten 1, 30167 Hannover, Germany, ([email protected]; [email protected])

Abstract

We classify generically transitive actions of semi-direct products on ℙ2. Motivated by the program to study the distribution of rational points on del Pezzo surfaces (Manin's conjecture), we determine all (possibly singular) del Pezzo surfaces that are equivariant compactifications of homogeneous spaces for semi-direct products .

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 2015 

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