Effective curves on (M)over-bar0,n from group actions

被引：0
|
作者：
Moon, Han-Bom [1 ]
Swinarski, David [2 ]
机构：
[1] Fordham Univ, Dept Math, Bronx, NY 10458 USA
[2] Fordham Univ, Dept Math, New York, NY 10023 USA
来源：
MANUSCRIPTA MATHEMATICA | 2015年 / 147卷 / 1-2期
关键词：
POINTED CURVES; MODULI SPACES; RIGID CURVES;
D O I：
10.1007/s00229-014-0722-6
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We study new effective curve classes on the moduli space of stable pointed rational curves given by the fixed loci of subgroups of the permutation group action. We compute their numerical classes and provide a strategy for writing them as effective linear combinations of F-curves, using Losev-Manin spaces and toric degeneration of curve classes.
引用
收藏
页码：239 / 268
页数：30
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