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9
votes
Why do we require quotient to be surjective?
general-topology
algebraic-topology
quotient-spaces
asked Mar 28, 2018 at 0:31
math.stackexchange.com
9
votes
$\Bbb R^{\omega}$ in the box topology is not metrizable
general-topology
asked Apr 15, 2018 at 1:05
math.stackexchange.com
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