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arXiv:1012.4120 [math.AG]AbstractReferencesReviewsResources

A homology plane of general type can have at most a cyclic quotient singularity

R. V. Gurjar, M. Koras, M. Miyanishi, P. Russell

Published 2010-12-18Version 1

We show that a homology plane of general type has at worst a single cyclic quotient singular point. An example of such a surface with a singular point does exist. We also show that the automorphism group of a smooth contractible surface of general type is cyclic.

Comments: 63 pages
Categories: math.AG
Subjects: 14J17, 14R05, 14R20
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