COLORING INVARIANTS OF SPATIAL GRAPHS

被引:4
作者
Niebrzydowski, Maciej [1 ]
机构
[1] Univ Louisiana Lafayette, Dept Math, Lafayette, LA 70504 USA
关键词
Quandle; coloring; spatial graph; quandle cohomology; nonabelian cocycle; QUANDLE; KNOTS;
D O I
10.1142/S0218216510008169
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We define the fundamental quandle of a spatial graph and several invariants derived from it. In the category of graph tangles, we define an invariant based on the walks in the graph and cocycles from nonabelian quandle cohomology.
引用
收藏
页码:829 / 841
页数:13
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