Brouwer–Haemers graph

20-regular undirected graph with 81 vertices and 810 edges
Thing hamiltonian_graph Q939219
Press Enter · cited answer in seconds

Brouwer–Haemers graph

Summary

Brouwer–Haemers graph is a Hamiltonian graph[1]. It draws 3 Wikipedia views per month (hamiltonian_graph category, ranking #8 of 8).[2]

Key Facts

  • Brouwer–Haemers graph's image is recorded as Brouwer Haemers graph.svg[3].
  • Brouwer–Haemers graph's instance of is recorded as Hamiltonian graph[4].
  • Brouwer–Haemers graph's instance of is recorded as strongly regular graph[5].
  • Brouwer–Haemers graph's instance of is recorded as Eulerian graph[6].
  • Brouwer–Haemers graph's instance of is recorded as overfull graph[7].
  • Luitzen Egbertus Jan Brouwer is named after Brouwer–Haemers graph[8].
  • Brouwer–Haemers graph's Commons category is recorded as Brouwer-Haemers graph[9].
  • Brouwer–Haemers graph's Freebase ID is recorded as /m/0cnz0qf[10].
  • Brouwer–Haemers graph's described at URL is recorded as https://aeb.win.tue.nl/graphs/Brouwer-Haemers.html[11].
  • Brouwer–Haemers graph's studied by is recorded as graph theory[12].
  • Brouwer–Haemers graph's has part is recorded as node[13].
  • Brouwer–Haemers graph's has part is recorded as edge[14].
  • Brouwer–Haemers graph's MathWorld ID is recorded as Brouwer-HaemersGraph[15].
  • Brouwer–Haemers graph's Wolfram Language entity code is recorded as Entity["Graph", "BrouwerHaemersGraph"][16].
  • Brouwer–Haemers graph's maintained by WikiProject is recorded as WikiProject Mathematics[17].
  • Brouwer–Haemers graph's graph radius is recorded as {'amount': '+2'}[18].
  • Brouwer–Haemers graph's graph diameter is recorded as {'amount': '+2'}[19].
  • Brouwer–Haemers graph's graph girth is recorded as {'amount': '+3'}[20].
  • Brouwer–Haemers graph's The House of Graphs ID is recorded as 962[21].

Why It Matters

Brouwer–Haemers graph draws 3 Wikipedia views per month (hamiltonian_graph category, ranking #8 of 8).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[22]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . House of Graphs. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . House of Graphs. wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [22] . Wikidata sitelinks. 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). Brouwer–Haemers graph. Retrieved May 3, 2026, from https://4ort.xyz/entity/brouwer-haemers-graph
MLA “Brouwer–Haemers graph.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/brouwer-haemers-graph.
BibTeX @misc{4ortxyz_brouwer-haemers-graph_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Brouwer–Haemers graph}}, year = {2026}, url = {https://4ort.xyz/entity/brouwer-haemers-graph}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Brouwer–Haemers graph — https://4ort.xyz/entity/brouwer-haemers-graph (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/brouwer-haemers-graph · Last refreshed: