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exotic R4

A smooth 4-manifold homeomorphic yet not diffeomorphic to euclidean space
Thing general Q2436606
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exotic R4

Summary

exotic R4 ranks in the top 2% of general entities by monthly Wikipedia readership (88 views/month).[1]

Key Facts

  • exotic R4's subclass of is recorded as differentiable manifold[2].
  • exotic R4's Freebase ID is recorded as /m/06sxj6[3].
  • exotic R4's Microsoft Academic ID is recorded as 45414604[4].

Why It Matters

exotic R4 ranks in the top 2% of general entities by monthly Wikipedia readership (88 views/month).[1] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[5] It is known by 5 alternative names across languages and contexts.[6]

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.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [5] ↑ . Wikidata sitelinks. wikidata.org.
  3. [6] ↑ . 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). exotic R4. Retrieved April 10, 2026, from https://4ort.xyz/entity/exotic-r4
MLA “exotic R4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/exotic-r4.
BibTeX @misc{4ortxyz_exotic-r4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{exotic R4}}, year = {2026}, url = {https://4ort.xyz/entity/exotic-r4}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): exotic R4 — https://4ort.xyz/entity/exotic-r4 (retrieved 2026-04-10)

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