Endowed with natural topologies, the fundamental group of the Hawaiian earring continuously injects into the inverse limit of free groups. This note shows the injection fails to have a continuous inverse. Such a phenomenon was unexpected and appears to contradict results of another author.
Fabel, Paul  1
@article{10_2140_agt_2005_5_1585,
author = {Fabel, Paul},
title = {The topological {Hawaiian} earring group does not embed in the inverse limit of free groups},
journal = {Algebraic and Geometric Topology},
pages = {1585--1587},
year = {2005},
volume = {5},
number = {4},
doi = {10.2140/agt.2005.5.1585},
url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.1585/}
}
TY - JOUR AU - Fabel, Paul TI - The topological Hawaiian earring group does not embed in the inverse limit of free groups JO - Algebraic and Geometric Topology PY - 2005 SP - 1585 EP - 1587 VL - 5 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.1585/ DO - 10.2140/agt.2005.5.1585 ID - 10_2140_agt_2005_5_1585 ER -
%0 Journal Article %A Fabel, Paul %T The topological Hawaiian earring group does not embed in the inverse limit of free groups %J Algebraic and Geometric Topology %D 2005 %P 1585-1587 %V 5 %N 4 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.1585/ %R 10.2140/agt.2005.5.1585 %F 10_2140_agt_2005_5_1585
Fabel, Paul. The topological Hawaiian earring group does not embed in the inverse limit of free groups. Algebraic and Geometric Topology, Tome 5 (2005) no. 4, pp. 1585-1587. doi: 10.2140/agt.2005.5.1585
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