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On Minimal Number of Singular Fibers in a Genus-2 Lefschetz Fibration
被引:4
|
作者
:
Monden, Naoyuki
论文数:
0
引用数:
0
h-index:
0
机构:
Osaka Univ, Grad Sch Sci, Dept Math, Toyonaka, Osaka 5600043, Japan
Osaka Univ, Grad Sch Sci, Dept Math, Toyonaka, Osaka 5600043, Japan
Monden, Naoyuki
[
1
]
机构
:
[1]
Osaka Univ, Grad Sch Sci, Dept Math, Toyonaka, Osaka 5600043, Japan
来源
:
TOKYO JOURNAL OF MATHEMATICS
|
2012年
/ 35卷
/ 02期
关键词
:
Lefschetz fibrations;
mapping class groups;
D O I
:
10.3836/tjm/1358951332
中图分类号
:
O1 [数学];
学科分类号
:
0701 ;
070101 ;
摘要
:
We show that the minimal number of singular fibers in a genus-2 Lefschetz fibration over a closed surface of genus h is equal to 5 if h >= 3, 5 or 6 if h = 2 and 6 or 7 if h = 1.
引用
收藏
页码:483 / 490
页数:8
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