long line

locally Euclidean topological space that is not paracompact
Thing normal_space Q1804923
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long line

Summary

long line is a normal space[1]. It draws 116 Wikipedia views per month (normal_space category, ranking #1 of 1).[2]

Key Facts

  • long line is credited with the discovery of Pavel Aleksandrov[3].
  • long line's instance of is recorded as normal space[4].
  • long line's instance of is recorded as Hausdorff space[5].
  • long line's instance of is recorded as locally compact space[6].
  • long line's instance of is recorded as simply connected space[7].
  • long line's instance of is recorded as first-countable space[8].
  • Pavel Aleksandrov is named after long line[9].
  • long line's time of discovery or invention is recorded as +1924-00-00T00:00:00Z[10].
  • long line's Freebase ID is recorded as /m/01xsfy[11].
  • long line's nLab ID is recorded as long line[12].
  • long line's Microsoft Academic ID is recorded as 93817032[13].

Body

Works and Contributions

long line is credited with the discovery of Pavel Aleksandrov[3].

Why It Matters

long line draws 116 Wikipedia views per month (normal_space category, ranking #1 of 1).[2] It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[14] It 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. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . wikidata.org.
  5. [8] . wikidata.org.
  6. [3] . Retrieved . wikidata.org.
  7. [9] . Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Freebase Data Dumps. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . 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). long line. Retrieved May 3, 2026, from https://4ort.xyz/entity/long-line
MLA “long line.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/long-line.
BibTeX @misc{4ortxyz_long-line_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{long line}}, year = {2026}, url = {https://4ort.xyz/entity/long-line}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): long line — https://4ort.xyz/entity/long-line (retrieved 2026-05-03)

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