Alexandroff extension
Sign in to saveAlso known as one-point compactification, Alexandroff compactification, Aleksandrov compactification, Aleksandrov extension
given a space X, the space X ⊔ {∞}, topologized so that a set containing ∞ is open iff its complement is closed compact in X
Wikidata facts
- Instance of
- compactification
- Named after
- Pavel Aleksandrov
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- maintained by WikiProject
- WikiProject Mathematics
- studied by
- general topology
Sources (2)
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