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contractible space

topological space that can be continuously shrunk to a point
Class type of: locally contractible space Q230689

Facts

2 properties
Subclass of
locally contractible space
Maintained by WikiProject
WikiProject Mathematics[2]
🏷️ Also known as
en contractible space de zusammenziehbarer Raum es espacio contractible es Espacio contráctil fa فضای انقباض‌پذیر fr espace contractile he מרחב כוויץ it spazio contraibile ja 可縮な空間 ja 可縮空間 ko 축약 가능 공간 nl samentrekbare ruimte pl przestrzeń ściągalna pt espaço contráctil ro spațiu contractibil ru стягиваемое пространство tr Büzülebilir uzay uk стягуваний простір vi không gian co rút được zh 可收縮空間
🔖 Identifiers · 9
OpenAlex ID
C169611556
Encyclopedia of Mathematics article ID
Contractible_space
Femiwiki ID
6227
Freebase ID
/m/05t5hx
MathWorld ID
Contractible, Contractibility
Microsoft Academic ID (discontinued)
169611556
NLab ID
contractible space
PlanetMath ID
Contractible
ProofWiki ID
Definition:Contractible_Space

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🔗 Connections
Examples 1
Whitehead manifold
Maintained by WikiProject 1
WikiProject Mathematics
Subtypes 1
Sierpiński space
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Summary

contractible space is a type of locally it[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). contractible space. Retrieved November 7, 2026, from https://4ort.xyz/entity/contractible-space
MLA “contractible space.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/contractible-space.
BibTeX @misc{4ortxyz_contractible-space_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{contractible space}}, year = {2026}, url = {https://4ort.xyz/entity/contractible-space}, note = {Accessed: 2026-11-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): contractible space — https://4ort.xyz/entity/contractible-space (retrieved 2026-11-07)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 20w ago · Charp238 · 2026-06-22 view diff on Wikidata ↗
    Wikidata description → topological space that can be continuously shrunk to a point
    Maintained by WikiProject → WikiProject Mathematics
    Subclass of → locally contractible space
    Femiwiki ID → 6227
    "Created claim: Femiwiki ID: 6227"
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