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Whitehead manifold

open 3-manifold that is contractible, but not homeomorphic to R³
Thing 3_manifold Q2669907

Facts

3 properties
Instance of
3-manifold, contractible space, topological manifold, mathematical concept[2][3][4]
Maintained by WikiProject
WikiProject Mathematics[6]
Named after
J. H. C. Whitehead[5]
🏷️ Also known as
en Whitehead manifold de Whitehead-Mannigfaltigkeit fr variété de Whitehead ja ホワイトヘッド多様体 nl Whitehead-variëteit pt variedade de Whitehead ru многообразие Уайтхеда uk Многовид Вайтгеда zh 懷特海德流形 zh 懷特海流形
🔖 Identifiers · 4
Image (Wikimedia Commons)
Whitehead manifold.png ↗
Freebase ID
/m/04g1j0
MathWorld ID
WhiteheadManifold
Microsoft Academic ID (discontinued)
2777611984

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Instance of 3
topological manifold, contractible space, 3-manifold
Created notable works 1
J. H. C. Whitehead
Maintained by WikiProject 1
WikiProject Mathematics
Named after 1
J. H. C. Whitehead
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Summary

Whitehead manifold is a 3-manifold[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

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). Whitehead manifold. Retrieved November 7, 2026, from https://4ort.xyz/entity/whitehead-manifold
MLA “Whitehead manifold.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/whitehead-manifold.
BibTeX @misc{4ortxyz_whitehead-manifold_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Whitehead manifold}}, year = {2026}, url = {https://4ort.xyz/entity/whitehead-manifold}, note = {Accessed: 2026-11-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Whitehead manifold — https://4ort.xyz/entity/whitehead-manifold (retrieved 2026-11-07)

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