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connected sum

geometric modification on manifolds
Thing topological_construction Q1890389
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connected sum

Summary

connected sum is a topological construction[1]. It draws 63 Wikipedia views per month (topological_construction category, ranking #1 of 8).[2]

Key Facts

  • connected sum's image is recorded as Connected sum.svg[3].
  • connected sum's instance of is recorded as topological construction[4].
  • connected sum's subclass of is recorded as topological space[5].
  • connected sum's Freebase ID is recorded as /m/02gqqr[6].
  • connected sum's different from is recorded as knot sum[7].
  • connected sum's nLab ID is recorded as connected sum[8].
  • connected sum's Microsoft Academic ID is recorded as 50955798[9].
  • connected sum's OpenAlex ID is recorded as C50955798[10].

Why It Matters

connected sum draws 63 Wikipedia views per month (topological_construction category, ranking #1 of 8).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[11] It is known by 3 alternative names across languages and contexts.[12]

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] ↑ . Freebase Data Dumps. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. wikidata.org.
  3. [12] ↑ . 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). connected sum. Retrieved May 3, 2026, from https://4ort.xyz/entity/connected-sum
MLA “connected sum.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/connected-sum.
BibTeX @misc{4ortxyz_connected-sum_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{connected sum}}, year = {2026}, url = {https://4ort.xyz/entity/connected-sum}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): connected sum — https://4ort.xyz/entity/connected-sum (retrieved 2026-05-03)

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