Isotopies vis-\`a-vis level-preserving embeddings
Geometric Topology
2018-01-19 v1
Abstract
Various standard texts on differential topology maintain that the level-preserving map defined by the track of an isotopy of embeddings is itself an embedding. This note describes a simple counterexample to this assertion.
Cite
@article{arxiv.1708.09703,
title = {Isotopies vis-\`a-vis level-preserving embeddings},
author = {Hansjörg Geiges},
journal= {arXiv preprint arXiv:1708.09703},
year = {2018}
}
Comments
4 pages, 1 figure