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Abstract view

On Log $\mathbb Q$-Homology Planes and Weighted Projective Planes

Open Access article
 Printed: Dec 2004
  • Daniel Daigle
  • Peter Russell
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We classify normal affine surfaces with trivial Makar-Limanov invariant and finite Picard group of the smooth locus, realizing them as open subsets of weighted projective planes. We also show that such a surface admits, up to conjugacy, one or two $G_a$-actions.
MSC Classifications: 14R05, 14J26, 14R20 show english descriptions Classification of affine varieties
Rational and ruled surfaces
Group actions on affine varieties [See also 13A50, 14L30]
14R05 - Classification of affine varieties
14J26 - Rational and ruled surfaces
14R20 - Group actions on affine varieties [See also 13A50, 14L30]

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