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Results tagged with gn.general-topology
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user 5000
Continuum theory, point-set topology, spaces with algebraic structure, foundations, dimension theory, local and global properties.
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votes
How can one characterise compactness-by-experiment?
If $J$ is a directed set and $X$ is a topological space, then a net in $X$ is a function $f\colon J \to X$. A net converges to $x \in X$ if for every neighborhood $U$ of $x$ there is $\alpha \in J$ so …
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