projective plane

geometric concept of a 2D space with a "point at infinity" adjoined
Thing general Q1475760
Press Enter · cited answer in seconds

projective plane

Summary

projective plane ranks in the top 2% of general entities by monthly Wikipedia readership (315 views/month).[1]

Key Facts

  • projective plane's GND ID is recorded as 4175884-5[2].
  • projective plane's subclass of is recorded as projective space[3].
  • projective plane's subclass of is recorded as two-dimensional space[4].
  • projective plane's part of is recorded as projective geometry[5].
  • projective plane's Commons category is recorded as Projective plane[6].
  • projective plane's Freebase ID is recorded as /m/062ns[7].
  • projective plane's Encyclopædia Britannica Online ID is recorded as topic/projective-plane[8].
  • projective plane's defining formula is recorded as { k x k \in K }[9].
  • projective plane's MathWorld ID is recorded as ProjectivePlane[10].
  • projective plane's maintained by WikiProject is recorded as WikiProject Mathematics[11].
  • projective plane's Microsoft Academic ID is recorded as 39290043[12].
  • projective plane's OpenAlex ID is recorded as C39290043[13].
  • projective plane's Great Russian Encyclopedia portal ID is recorded as proektivnaia-ploskost-7e50ec[14].
  • projective plane's Yale LUX ID is recorded as concept/6875b684-712b-4413-b426-17253693f4e8[15].

Why It Matters

projective plane ranks in the top 2% of general entities by monthly Wikipedia readership (315 views/month).[1] It has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[16] It is known by 4 alternative names across languages and contexts.[17]

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.
  6. [7] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] . Wikidata sitelinks. wikidata.org.
  3. [17] . 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). projective plane. Retrieved April 11, 2026, from https://4ort.xyz/entity/projective-plane
MLA “projective plane.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/projective-plane.
BibTeX @misc{4ortxyz_projective-plane_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{projective plane}}, year = {2026}, url = {https://4ort.xyz/entity/projective-plane}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): projective plane — https://4ort.xyz/entity/projective-plane (retrieved 2026-04-11)

Canonical URL: https://4ort.xyz/entity/projective-plane · Last refreshed: