Braids on surfaces and finite type invariants

被引:6
|
作者
Bellingeri, P
Funar, L
机构
[1] Univ Montpellier 2, F-34095 Montpellier 5, France
[2] Univ Grenoble 1, Inst Fourier, F-38402 St Martin Dheres, France
关键词
D O I
10.1016/j.crma.2003.11.014
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove that there is no functorial universal finite type invariant for braids in Sigma x I if the genus of Sigma is positive. (C) 2003 Published by Elsevier SAS on behalf of Academie des sciences.
引用
收藏
页码:157 / 162
页数:6
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