scheme

object of algebraic geometry, commutative algebra and number theory; a ringed space locally isomorphic to the spectrum of a commutative ring
Thing general Q1155772
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scheme

Summary

scheme ranks in the top 2% of general entities by monthly Wikipedia readership (1,430 views/month).[1]

Key Facts

  • scheme is credited with the discovery of Alexander Grothendieck[2].
  • scheme is a type of locally ringed space[3].
  • scheme is a type of algebraic space[4].
  • scheme is a type of object of a category[5].
  • scheme's Commons category is recorded as Scheme (mathematics)[6].
  • scheme's Stack Exchange tag is recorded as https://mathoverflow.net/tags/schemes[7].
  • scheme's has characteristic is recorded as dimension of a scheme[8].
  • scheme's different from is recorded as affine scheme[9].
  • scheme's different from is recorded as algebraic variety[10].
  • scheme's studied by is recorded as theory of schemes[11].
  • scheme's maintained by WikiProject is recorded as WikiProject Mathematics[12].
  • scheme's underlying structure is recorded as sober space[13].

Body

Definition and Type

Recorded subclass of include locally ringed space[3], algebraic space[4], and object of a category[5].

Why It Matters

scheme ranks in the top 2% of general entities by monthly Wikipedia readership (1,430 views/month).[1] scheme has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[14] scheme is known by 6 alternative names across languages and contexts.[15]

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.
  12. [13] . wikidata.org.

Aggregate / graph-position facts

  1. [1] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] . Wikidata sitelinks. wikidata.org.
  3. [15] . 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). scheme. Retrieved April 11, 2026, from https://4ort.xyz/entity/scheme
MLA “scheme.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/scheme.
BibTeX @misc{4ortxyz_scheme_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{scheme}}, year = {2026}, url = {https://4ort.xyz/entity/scheme}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): scheme — https://4ort.xyz/entity/scheme (retrieved 2026-04-11)

Canonical URL: https://4ort.xyz/entity/scheme · 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. 5d ago · Twofivesixbot bot · 2026-05-27 view diff on Wikidata ↗
    Discoverer or inventor Alexander Grothendieck
    Underlying structure(s) sober space
    Subclass of
    Maintained by wikiproject WikiProject Mathematics
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007560593405171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.