Home › Entities › general › sheaf

sheaf

collection of objects associated to subsets of a space in a manner admitting gluing and restriction
Thing general Q595298
Press Enter · cited answer in seconds

sheaf

Summary

sheaf has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • sheaf is credited with the discovery of Jean Leray[2].
  • sheaf is a type of presheaf[3].
  • sheaf is a type of stack[4].
  • sheaf's time of discovery or invention is recorded as 1947[5].
  • sheaf's has characteristic is recorded as global section[6].
  • sheaf's has characteristic is recorded as stalk[7].
  • sheaf's has characteristic is recorded as gluing axiom[8].
  • sheaf's different from is recorded as sheaf[9].
  • sheaf's studied by is recorded as sheaf theory[10].
  • sheaf's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[11].
  • sheaf's maintained by WikiProject is recorded as WikiProject Mathematics[12].

Body

Definition and Type

Recorded subclass of include presheaf[3] and stack[4].

Why It Matters

sheaf has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[1] sheaf is known by 4 alternative names across languages and contexts.[13]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikidata sitelinks. wikidata.org.
  2. [13] ↑ . 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). sheaf. Retrieved April 10, 2026, from https://4ort.xyz/entity/sheaf
MLA “sheaf.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/sheaf.
BibTeX @misc{4ortxyz_sheaf_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sheaf}}, year = {2026}, url = {https://4ort.xyz/entity/sheaf}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sheaf — https://4ort.xyz/entity/sheaf (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/sheaf · 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. 12d ago · HTinC23 · 2026-06-23 view diff on Wikidata ↗
    P14540 → Q16951980
    "/* wbcreateclaim-create:1| */ [[Property:P14540]]: [[Q16951980]], import w/ [[Wikidata:Wwwyzzerdd|🧙 Wwwyzzerdd for Wikidata]]"
  2. 5w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Discoverer or inventor → Jean Leray
    Subclass of → —
    Maintained by wikiproject → WikiProject Mathematics
    Aliases → —
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007536441005171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.