On Minimal Number of Singular Fibers in a Genus-2 Lefschetz Fibration

被引:4
|
作者
Monden, Naoyuki [1 ]
机构
[1] Osaka Univ, Grad Sch Sci, Dept Math, Toyonaka, Osaka 5600043, Japan
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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