Tag Archives: deformation retract

The Harmonic Archipelago

Another fascinating space that receives a lot of attention is the so-called harmonic archipelago which is the following subspace of . You can describe the construction like this: Start by drawing the usual earring space onto a solid disk in … Continue reading

Posted in Algebraic Topology, earring space, Fundamental group, harmonic archipelago | Tagged , , , , , | 10 Comments