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cup product

method of adjoining two cocycles to form a composite cocycle
Thing binary_operation Q3388699
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cup product

Summary

cup product is a binary operation[1]. It draws 266 Wikipedia views per month (binary_operation category, ranking #8 of 29).[2]

Key Facts

  • cup product's instance of is recorded as binary operation[3].
  • cup product's studied by is recorded as homology theory[4].
  • cup product's maintained by WikiProject is recorded as WikiProject Mathematics[5].

Body

Definition and Type

cup product's instance of is recorded as binary operation[3].

Why It Matters

cup product draws 266 Wikipedia views per month (binary_operation category, ranking #8 of 29).[2] It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[6]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . 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). cup product. Retrieved May 3, 2026, from https://4ort.xyz/entity/cup-product
MLA “cup product.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cup-product.
BibTeX @misc{4ortxyz_cup-product_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cup product}}, year = {2026}, url = {https://4ort.xyz/entity/cup-product}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cup product — https://4ort.xyz/entity/cup-product (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cup-product · 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 · Charp238 · 2026-07-13 view diff on Wikidata ↗
    Instance of → binary operation
    Instance of → —
    Maintained by wikiproject → WikiProject Mathematics
    Studied by → homology theory
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P31]]: [[Q7247865]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.