Singular abelian covers of algebraic surfaces

被引：0
|
作者：
Christian Liedtke
机构：
[1] Max-Planck-Institut für Mathematik,
来源：
manuscripta mathematica | 2003年 / 112卷
关键词：
General Type; Algebraic Surface; Canonical Sheaf; Abelian Cover;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper we generalise F. Catanese’s work on singular (ℤ/2ℤ)2-covers to arbitrary finite abelian covers of algebraic surfaces. We determine the contribution of singularities to the invariants χ, K2, q, pg, Pn and the canonical sheaf. We use these computations to construct a surface of general type with birational canonical map φ1, pg=4 and K2=31.
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页码：375 / 390
页数：15
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