On invariants of link maps in dimension four

被引：2

作者：

Lightfoot, Ash ^{[1
]}

机构：

[1] Indiana Univ, 107 S Indiana Ave, Bloomington, IN 47405 USA

来源：

JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS | 2016年 / 25卷 / 11期

关键词：

Link map; link homotopy invariant; immersed; 2-sphere; Whitney disk; 4-MANIFOLDS; HOMOTOPY; 2-SPHERES;

D O I：

10.1142/S0218216516500607

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We fill a gap in the proof that the proposed link homotopy invariant omega of Li is well defined. It is also shown that if the homotopy invariant tau of Schneiderman-Teichner is to be adapted to a link homotopy invariant of link maps, the result coincides with omega.

引用

页数：18

共 50 条

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