11

Questions
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What is π_1(BG) for an arbitrary topological group $G$?

nov 25 11 at 17:28 Ronnie Brown 5,209●17●20

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Why free topological groups on Tychonoff spaces?

nov 27 10 at 12:47 hind 1

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Making CW-complexes metrizable

mar 9 at 20:04 Sergey Melikhov 3,692●12●19

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328
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Quotients of topological groupoids

nov 24 10 at 5:32 Jeremy Brazas 1,516●1●5●12

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Powers of quotient maps

may 4 10 at 14:55 Joel David Hamkins 74.9k●7●187●343

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Example of a quasitopological group with discontinuous power map

jul 12 10 at 10:21 Mirek 26●1

 
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How do you know when a reflective subcategory of Top is quotient-reflective?

jun 5 10 at 18:30 jef 166●2●7

 
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The integers as a sequential but non-first countable topological group

may 12 at 11:34 Santi Spadaro 646●4●6

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Refining open covers in locally path connected spaces

apr 2 at 3:52 Henr.L 80●7

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Hausdorff group topologies on finitely generated groups

nov 28 at 23:08 Ramiro de la Vega 3,590●7●15

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