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σ-compact space · Vinony

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EntityQ290618· pop 9· linked from 34 articles

σ-compact space

Also known as sigma-compact space

union of countably many compact topological spaces

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Connections

locally compact space

Categories

Compactness (mathematics)General topology Properties of topological spaces

Sources

wikipedia.externallinksexternallink

International Standard Book Number

Entity

rational number

irrational number

Euclidean space

topological space

Hausdorff space

topological group

product topology

subspace topology

Lindelöf space

lower limit topology

cocountable topology

hemicompact space

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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).

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What links here34 pages

topological manifold

Lindelöf space

countably compact space

lower limit topology

locally compact space

integration by substitution

general topology

regular measure

hemicompact space

σ-finite measure

topological property

axiom of countable choice

Heine–Borel theorem

axiom of countability