Multiplication is Discontinuous in the Hawaiian Earring Group (with the Quotient Topology)

Paul Fabel

Bulletin of the Polish Academy of Sciences Mathematics · 2011 · 29 citations · 9 references

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Abstract

The natural quotient map $q$ from the space of based loops in the Hawaiian earring onto the fundamental group provides a naturally occuring example of a quotient map such that $q\times q$ fails to be a quotient map. With the quotient topology, this exampl

References

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