Algebraic and geometric intersection numbers for free groups

被引：9

作者：

Gadgil, Siddhartha ^{[1
]}

Pandit, Suhas ^{[2
]}

机构：

[1] Indian Inst Sci, Dept Math, Bangalore 560003, Karnataka, India

[2] Indian Stat Inst, Stat Math Unit, Bangalore 560059, Karnataka, India

来源：

TOPOLOGY AND ITS APPLICATIONS | 2009年 / 156卷 / 09期

关键词：

AUTOMORPHISM-GROUPS; SURFACES; CURVES;

D O I：

10.1016/j.topol.2008.12.039

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We show that the algebraic intersection number of Scott and Swarup for splittings of free groups Coincides With the geometric intersection number for the sphere complex of the connected sum of copies of S(2) x S(1). (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1615 / 1619

页数：5

共 14 条

[1] MODULI OF GRAPHS AND AUTOMORPHISMS OF FREE GROUPS [J].