chordal graph

graph in which all cycles of four or more vertices have a chord
Thing class_of_graphs_with_few_cliques Q1322892
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chordal graph

Summary

chordal graph is a class of graphs with few cliques[1]. It draws 72 Wikipedia views per month (class_of_graphs_with_few_cliques category, ranking #3 of 3).[2]

Key Facts

  • chordal graph's image is recorded as Chordal-graph.svg[3].
  • chordal graph's instance of is recorded as class of graphs with few cliques[4].
  • chordal graph's instance of is recorded as intersection class of graphs[5].
  • chordal graph's subclass of is recorded as Meyniel graph[6].
  • chordal graph's subclass of is recorded as perfectly orderable graph[7].
  • chordal graph's subclass of is recorded as polygon-circle graph[8].
  • chordal graph's subclass of is recorded as strangulated graph[9].
  • chordal graph's subclass of is recorded as weakly chordal graph[10].
  • chordal graph's subclass of is recorded as even-cycle-free graph[11].
  • chordal graph's subclass of is recorded as co-perfectly orderable graph[12].
  • chordal graph's Commons category is recorded as Chordal graphs[13].
  • chordal graph's opposite of is recorded as co-chordal graph[14].
  • chordal graph's Freebase ID is recorded as /m/037pvf[15].
  • chordal graph's Stack Exchange tag is recorded as https://math.stackexchange.com/tags/chordal-graphs[16].
  • chordal graph's has characteristic is recorded as perfect elimination ordering[17].
  • chordal graph's studied by is recorded as graph theory[18].
  • chordal graph's MathWorld ID is recorded as ChordalGraph[19].
  • chordal graph's Wolfram Language entity code is recorded as Entity["GraphClass", "Chordal"][20].
  • chordal graph's maintained by WikiProject is recorded as WikiProject Mathematics[21].
  • chordal graph's Microsoft Academic ID is recorded as 160446614[22].
  • chordal graph's OpenAlex ID is recorded as C160446614[23].
  • chordal graph's Lexikon der Mathematik entry ID is recorded as 2352[24].
  • chordal graph's graphclasses.org ID is recorded as gc_945[25].
  • chordal graph's graphclasses.org ID is recorded as gc_32[26].
  • chordal graph's graphclasses.org ID is recorded as gc_382[27].

Why It Matters

chordal graph draws 72 Wikipedia views per month (class_of_graphs_with_few_cliques category, ranking #3 of 3).[2] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[28] It is known by 17 alternative names across languages and contexts.[29]

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] . The intersection graphs of subtrees in trees are exactly the chordal graphs. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . graphclasses.org. Retrieved . graphclasses.org. Provenance: 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] . Freebase Data Dumps. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). chordal graph. Retrieved May 3, 2026, from https://4ort.xyz/entity/chordal-graph
MLA “chordal graph.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/chordal-graph.
BibTeX @misc{4ortxyz_chordal-graph_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{chordal graph}}, year = {2026}, url = {https://4ort.xyz/entity/chordal-graph}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): chordal graph — https://4ort.xyz/entity/chordal-graph (retrieved 2026-05-03)

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