Poincaré conjecture

theorem in geometric topology that every simply connected, closed 3-manifold is homeomorphic to the 3-sphere
Intangible theorem Q203586
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Poincaré conjecture

Summary

Poincaré conjecture is a theorem[1]. It ranks in the top 0.69% of theorem entities by monthly Wikipedia readership (5,076 views/month, #9 of 1,306).[2]

Key Facts

  • Poincaré conjecture is credited with the discovery of Henri Poincaré[3].
  • Poincaré conjecture's instance of is recorded as theorem[4].
  • Henri Poincaré is named after Poincaré conjecture[5].
  • Poincaré conjecture is part of Millennium Problems[6].
  • Poincaré conjecture's proved by is recorded as Grigori Perelman[7].
  • Poincaré conjecture's uses is recorded as Ricci flow[8].
  • Poincaré conjecture's studied by is recorded as algebraic topology[9].
  • Poincaré conjecture's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[10].
  • Poincaré conjecture's maintained by WikiProject is recorded as WikiProject Mathematics[11].

Body

Definition and Type

Poincaré conjecture's instance of is recorded as theorem[4].

Origins

Henri Poincaré is named after Poincaré conjecture[5].

Use and Application

Poincaré conjecture is part of Millennium Problems[6].

Why It Matters

Poincaré conjecture ranks in the top 0.69% of theorem entities by monthly Wikipedia readership (5,076 views/month, #9 of 1,306).[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[12] It is known by 57 alternative names across languages and contexts.[13]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . MathWorld. Retrieved . mathworld.wolfram.com. Provenance: wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] . Wikidata sitelinks. wikidata.org.
  3. [13] . Wikidata aliases. 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). Poincaré conjecture. Retrieved May 3, 2026, from https://4ort.xyz/entity/poincar-conjecture
MLA “Poincaré conjecture.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/poincar-conjecture.
BibTeX @misc{4ortxyz_poincar-conjecture_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Poincaré conjecture}}, year = {2026}, url = {https://4ort.xyz/entity/poincar-conjecture}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Poincaré conjecture — https://4ort.xyz/entity/poincar-conjecture (retrieved 2026-05-03)

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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. 7d ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Studied by algebraic topology
    Proved by Grigori Perelman
    Instance of theorem, conjecture
    Maintained by wikiproject WikiProject Mathematics
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007559245005171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.