Topological space · Mathematical space with a notion of closeness · YYNN

Topological space

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Mathematical space with a notion of closeness

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Subclasses
6

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Separable space

Topological space with a dense countable subset

Lindelöf space

Type of topological space

Topological subspace

First-countable space

Topological space where each point has a countable neighbourhood basis

Countably generated space

topological space in which the topology is determined by its countable subsets

Simplicial complex

Type of mathematical set

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In mathematics, a topological space is, roughly speaking, a geometrical space in which closeness is defined but cannot necessarily be measured by a numeric distance. More specifically, a topological space is a set whose elements are called points, along with an additional structure called a topology, which can be defined as a set of...

Instance of

Mathematical concept

Subclass of

Space (mathematics)

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