Fredholm operator

bounded operator with kernel and cokernel both having finite dimension
Intangible mathematical_concept Q573631
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Fredholm operator

Summary

Fredholm operator is a mathematical concept[1]. It draws 68 Wikipedia views per month (mathematical_concept category, ranking #204 of 1,007).[2]

Key Facts

  • Fredholm operator's instance of is recorded as mathematical concept[3].
  • Erik Ivar Fredholm is named after Fredholm operator[4].
  • Emmy Noether is named after Fredholm operator[5].
  • Fredholm operator's GND ID is recorded as 4155256-8[6].
  • Fredholm operator's Library of Congress authority ID is recorded as sh85051649[7].
  • Fredholm operator's Bibliothèque nationale de France ID is recorded as 12288292d[8].
  • Fredholm operator's IdRef ID is recorded as 03171904X[9].
  • Fredholm operator's subclass of is recorded as linear operator[10].
  • Fredholm operator's Freebase ID is recorded as /m/01pn9l[11].
  • Fredholm operator's different from is recorded as Fredholm integral operator[12].
  • Fredholm operator's nLab ID is recorded as Fredholm operator[13].
  • Fredholm operator's Microsoft Academic ID is recorded as 2779219991[14].
  • Fredholm operator's Encyclopedia of Mathematics article ID is recorded as Fredholm_operator[15].
  • Fredholm operator's National Library of Israel J9U ID is recorded as 987007550757905171[16].
  • Fredholm operator's OpenAlex ID is recorded as C2779219991[17].
  • Fredholm operator's Yale LUX ID is recorded as concept/9ace3ec3-3a3b-4891-8ac4-8257b908ac23[18].

Why It Matters

Fredholm operator draws 68 Wikipedia views per month (mathematical_concept category, ranking #204 of 1,007).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[19] It is known by 7 alternative names across languages and contexts.[20]

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] . Integrated Authority File. Retrieved . wikidata.org.
  5. [7] . Integrated Authority File. Retrieved . wikidata.org.
  6. [8] . Integrated Authority File. Retrieved . wikidata.org.
  7. [9] . IdRef. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Freebase Data Dumps. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . National Library of Israel Names and Subjects Authority File. wikidata.org.
  15. [17] . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  16. [18] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] . Wikidata sitelinks. wikidata.org.
  3. [20] . 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). Fredholm operator. Retrieved May 3, 2026, from https://4ort.xyz/entity/fredholm-operator
MLA “Fredholm operator.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/fredholm-operator.
BibTeX @misc{4ortxyz_fredholm-operator_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Fredholm operator}}, year = {2026}, url = {https://4ort.xyz/entity/fredholm-operator}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Fredholm operator — https://4ort.xyz/entity/fredholm-operator (retrieved 2026-05-03)

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