Erdős–Hajnal conjecture

conjecture in graph theory
Place conjecture Q16974940
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Erdős–Hajnal conjecture

Summary

Erdős–Hajnal conjecture is a conjecture[1]. It draws 16 Wikipedia views per month (conjecture category, ranking #44 of 128).[2]

Key Facts

  • Erdős–Hajnal conjecture's field of work was graph theory[3].
  • Erdős–Hajnal conjecture's instance of is recorded as conjecture[4].
  • Paul Erdős is named after Erdős–Hajnal conjecture[5].
  • András Hajnal is named after Erdős–Hajnal conjecture[6].
  • Erdős–Hajnal conjecture's Freebase ID is recorded as /m/010fk28z[7].
  • Erdős–Hajnal conjecture's Microsoft Academic ID is recorded as 2781286651[8].

Body

Designation and Status

Erdős–Hajnal conjecture's instance of is recorded as conjecture[4].

History and Context

Things named after include Paul Erdős[5], a mathematician[9], 1913–1996[10], of Hungary[11], awarded the Guggenheim Fellowship[12], specialised in probability theory[13] and András Hajnal[6], a mathematician[14], 1931–2016[15], of Hungary[16], awarded the Fellow of the American Mathematical Society[17], specialised in combinatorics[18].

Why It Matters

Erdős–Hajnal conjecture draws 16 Wikipedia views per month (conjecture category, ranking #44 of 128).[2]

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.

Inline context (facts about related entities)

  1. [9] . Wikidata. wikidata.org. → on this site
  2. [10] . Wikidata. wikidata.org. → on this site
  3. [11] . Wikidata. wikidata.org. → on this site
  4. [12] . Wikidata. wikidata.org. → on this site
  5. [13] . Wikidata. wikidata.org. → on this site
  6. [14] . Wikidata. wikidata.org. → on this site
  7. [15] . Wikidata. wikidata.org. → on this site
  8. [16] . Wikidata. wikidata.org. → on this site
  9. [17] . Wikidata. wikidata.org. → on this site
  10. [18] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.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). Erdős–Hajnal conjecture. Retrieved May 3, 2026, from https://4ort.xyz/entity/erd-s-hajnal-conjecture
MLA “Erdős–Hajnal conjecture.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/erd-s-hajnal-conjecture.
BibTeX @misc{4ortxyz_erd-s-hajnal-conjecture_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Erdős–Hajnal conjecture}}, year = {2026}, url = {https://4ort.xyz/entity/erd-s-hajnal-conjecture}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Erdős–Hajnal conjecture — https://4ort.xyz/entity/erd-s-hajnal-conjecture (retrieved 2026-05-03)

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