Department of Mathematics Faculty of Science and Technology Tokyo University of Science 2641 Yamazaki, Noda Chiba 278-8510, Japan

被引：0

作者：

Enokizono, Makoto ^{[1
]}

机构：

[1] Tokyo Univ Sci, Dept Math, Fac Sci & Technol, 2641 Yamazaki, Noda, Chiba 2788510, Japan

来源：

JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN | 2023年 / 75卷 / 02期

关键词：

fibered surface; slope inequality; cyclic covering; SLOPE; SURFACES; INVARIANTS;

D O I：

10.2969/jmsj/86278627

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We give an upper bound of the slope for finite cyclic covering fibrations of an elliptic surface which includes bielliptic fibrations. We also give an upper bound of the slope for triple cyclic covering fibrations of a ruled surface and hyperelliptic fibrations, which provides a new proof of Xiao's upper bound.

引用

页码：417 / 467

页数：51

共 17 条

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