On surface-links represented by diagrams with two or three triple points

被引:4
|
作者
Tanaka, K [1 ]
机构
[1] Univ Tokyo, Grad Sch Math Sci, Tokyo 1538914, Japan
关键词
surface-link; quandle homology; triple point; quandle cocycle invariant;
D O I
10.1142/S0218216505004184
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We define invariants of surface-links, called generalized fundamental classes, and determine the values which the generalized fundamental classes of surface-links represented by diagrams with two or three triple points can take.
引用
收藏
页码:963 / 978
页数:16
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