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companion matrix

matrix with a specific relation to its characteristic polynomial p
Thing general Q814361
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companion matrix

Summary

companion matrix ranks in the top 2% of general entities by monthly Wikipedia readership (99 views/month).[1]

Key Facts

  • companion matrix's subclass of is recorded as square matrix[2].
  • companion matrix's Freebase ID is recorded as /m/02mby3[3].
  • companion matrix's MathWorld ID is recorded as CompanionMatrix[4].
  • companion matrix's Mathematics Subject Classification ID is recorded as 15A21[5].
  • companion matrix's maintained by WikiProject is recorded as WikiProject Mathematics[6].
  • companion matrix's Microsoft Academic ID is recorded as 141495983[7].
  • companion matrix's OpenAlex ID is recorded as C141495983[8].

Why It Matters

companion matrix ranks in the top 2% of general entities by monthly Wikipedia readership (99 views/month).[1] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[9]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . 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). companion matrix. Retrieved April 10, 2026, from https://4ort.xyz/entity/companion-matrix
MLA “companion matrix.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/companion-matrix.
BibTeX @misc{4ortxyz_companion-matrix_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{companion matrix}}, year = {2026}, url = {https://4ort.xyz/entity/companion-matrix}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): companion matrix — https://4ort.xyz/entity/companion-matrix (retrieved 2026-04-10)

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