On invariants of link maps in dimension four

Author:

Lightfoot Ash1

Affiliation:

1. Indiana University, 107 S Indiana Ave, Bloomington, IN 47405, United States

Abstract

We fill a gap in the proof that the proposed link homotopy invariant [Formula: see text] of Li is well defined. It is also shown that if the homotopy invariant [Formula: see text] of Schneiderman–Teichner is to be adapted to a link homotopy invariant of link maps, the result coincides with [Formula: see text].

Publisher

World Scientific Pub Co Pte Lt

Subject

Algebra and Number Theory

Reference19 articles.

1. Higher dimensional links are singular slice

2. All two dimensional links are null homotopic

3. Progress in Mathematics;Casson A.,1986

4. Spheres May Link Homotopically in 4-Space

5. Princeton Math. Series;Freedman M. H.,1990

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. The group of disjoint 2-spheres in 4-space;Annals of Mathematics;2019-11-01

2. Detecting Whitney disks for link maps in the four-sphere;Journal of Knot Theory and Its Ramifications;2017-10

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