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Whitney umbrella

three dimensions self-intersecting surface
Intangible mathematical_concept Q2640354
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Whitney umbrella

Summary

Whitney umbrella is a mathematical concept[1]. It draws 13 Wikipedia views per month (mathematical_concept category, ranking #244 of 1,007).[2]

Key Facts

  • Whitney umbrella's instance of is recorded as mathematical concept[3].
  • Whitney umbrella's subclass of is recorded as surface[4].
  • Whitney umbrella's Commons category is recorded as Whitney umbrella[5].
  • Whitney umbrella's Freebase ID is recorded as /m/069fvs[6].
  • Whitney umbrella's MathWorld ID is recorded as WhitneyUmbrella[7].
  • Whitney umbrella's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • Whitney umbrella's Microsoft Academic ID is recorded as 2781142589[9].

Why It Matters

Whitney umbrella draws 13 Wikipedia views per month (mathematical_concept category, ranking #244 of 1,007).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[10] It is known by 5 alternative names across languages and contexts.[11]

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata sitelinks. wikidata.org.
  3. [11] ↑ . 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). Whitney umbrella. Retrieved May 3, 2026, from https://4ort.xyz/entity/whitney-umbrella
MLA “Whitney umbrella.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/whitney-umbrella.
BibTeX @misc{4ortxyz_whitney-umbrella_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Whitney umbrella}}, year = {2026}, url = {https://4ort.xyz/entity/whitney-umbrella}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Whitney umbrella — https://4ort.xyz/entity/whitney-umbrella (retrieved 2026-05-03)

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