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cochromatic number

fewest colors needed such that each color class induces a complete or empty subgraph
Thing graph_property Q127536139
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Key Facts

  • Subclass of: dimensionless quantity[1], non-negative integer[2]
  • Has use: Cocoloring[3]
  • Studied by: graph theory[4]
  • Greater than: subchromatic number[5]
  • Less than: chromatic number[6]
  • Introduced in: The cochromatic number of a graph[7]

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . 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). cochromatic number. Retrieved October 10, 2026, from https://4ort.xyz/entity/cochromatic-number
MLA “cochromatic number.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/cochromatic-number.
BibTeX @misc{4ortxyz_cochromatic-number_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cochromatic number}}, year = {2026}, url = {https://4ort.xyz/entity/cochromatic-number}, note = {Accessed: 2026-10-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cochromatic number — https://4ort.xyz/entity/cochromatic-number (retrieved 2026-10-10)

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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. 8d ago · MatSuBot bot · 2026-10-10 view diff on Wikidata ↗
    Less than → chromatic number
    Wikidata description → fewest colors needed such that each color class induces a complete or empty subg
    Wikipedia languages → ['en']
    Introduced in → The cochromatic number of a graph
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-update:1| */ Criterion used: less than or equal to, fix redirect less than or equal to → less than or equal to ([[:toollabs:editgroups/b/CB/e2e51cb0d899|details]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.