Fredholm operator

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

Fredholm operator is a mathematical concept[1]. It draws 179 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 is a type of linear operator[6].
  • Fredholm operator's different from is recorded as Fredholm integral operator[7].

Body

Definition and Type

Fredholm operator's instance of is recorded as mathematical concept[3]. It is a type of linear operator[6].

Origins

Things named after include Erik Ivar Fredholm[4], a mathematician[8], 1866–1927[9], of Sweden[10], awarded the Poncelet Prize[11], specialised in integral equation[12] and Emmy Noether[5], a mathematician[13], 1882–1935[14], of Kingdom of Bavaria[15], awarded the Ackermann–Teubner Memorial Award[16], specialised in algebra[17].

Why It Matters

Fredholm operator draws 179 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.[18] It is known by 7 alternative names across languages and contexts.[19]

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] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [8] ↑ . Wikidata. wikidata.org. → on this site
  2. [9] ↑ . Wikidata. wikidata.org. → on this site
  3. [10] ↑ . Wikidata. wikidata.org. → on this site
  4. [11] ↑ . Wikidata. wikidata.org. → on this site
  5. [12] ↑ . Wikidata. wikidata.org. → on this site
  6. [13] ↑ . Wikidata. wikidata.org. → on this site
  7. [14] ↑ . Wikidata. wikidata.org. → on this site
  8. [15] ↑ . Wikidata. wikidata.org. → on this site
  9. [16] ↑ . Wikidata. wikidata.org. → on this site
  10. [17] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [18] ↑ . Wikidata sitelinks. wikidata.org.
  3. [19] ↑ . 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 October 14, 2026, from https://4ort.xyz/entity/fredholm-operator
MLA “Fredholm operator.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 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: 2026-10-14}}
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 2026-10-14)

Canonical URL: https://4ort.xyz/entity/fredholm-operator · Last refreshed:

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. 20w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Instance of → mathematical concept
    Subclass of → —
    Aliases → —
    Subclass of → linear operator
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ National library of israel j9u id: 987007550757905171, mv to monolingual text names on J9U statements"
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