Topological isotopy and Cochran’s derived invariants

Topology, Geometry, and Dynamics Pub Date : 2020-11-03 DOI:10.1090/conm/772/15493

S. A. Melikhov

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引用次数: 1

Abstract

We construct a link in the 3 3 -space that is not isotopic to any PL link (non-ambiently). In fact, we show that there exist uncountably many I I -equivalence classes of links.

The paper also includes some observations on Cochran’s invariants β i \beta _i .

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