English

A retraction theorem for topological fundamental groups with application to the Hawaiian earring

Algebraic Topology 2007-05-23 v1 General Topology

Abstract

A characterization of regular topological fundamental groups yields a `no retraction theorem' for spaces constructed in similar fashion to the Hawaiian earring.

Cite

@article{arxiv.math/0502218,
  title  = {A retraction theorem for topological fundamental groups with application to the Hawaiian earring},
  author = {Paul Fabel},
  journal= {arXiv preprint arXiv:math/0502218},
  year   = {2007}
}

Comments

4 pages