Classification of singular Q-homology planes. II. C^1- and C*-rulings

Classification of singular Q-homology planes. II. C^1- and C*-rulings
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奇异 Q 同调平面的分类。

DOI:
10.2140/pjm.2012.258.421
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发表时间:
2012
期刊:
arXiv: Algebraic Geometry
影响因子:
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通讯作者:
Karol Palka
Karol Palka
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作者:
Karol Palka

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Q-同调平面是具有平凡有理同调的正规复代数曲面。我们对C^1-或C*-正则的奇异Q-同调平面进行分类。我们分析了它们的完备性,不同规则的数量,它上的仿射线的数量,并给出了结构。与已知的结果一起,完成了具有非一般类型光滑轨迹的q-同调平面的分类。我们还证明了具有相同的加权边界、奇点和Kodaira维的同胚非同构奇异q-同调平面族的维度可以是任意大的。
A Q-homology plane is a normal complex algebraic surface having trivial rational homology. We classify singular Q-homology planes which are C^1- or C*-ruled. We analyze their completions, the number of different rulings, the number of affine lines on it and we give constructions. Together with previously known results this completes the classification of Q-homology planes with smooth locus of non-general type. We show also that the dimension of a family of homeomorphic but non-isomorphic singular Q-homology planes having the same weighted boundary, singularities and Kodaira dimension can be arbitrarily big.
GURJAR,R.V.:“对数 Q 同调平面上的仿射线”数学。
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开代数曲面的几何
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者:
K. Masuda;M. Miyanishi;K.Masuda;M. Miyanishi;M.Miyanishi;M. Miyanishi;M.Miyanishi;K. Masuda;M. Miyanishi;K.Masuda;M.Miyanishi;K. Masuda;K. Masuda;M. Miyanishi;K. Masuda;K. Masuda;M. Miyanishi;K.Masuda;M.Miyanishi;M. Miyanishi
通讯作者: M. Miyanishi