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open cover

cover of a topological space consisting solely of open subsets
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open cover

Summary

open cover ranks in the top 2% of general entities by monthly Wikipedia readership (97 views/month).[1]

Key Facts

  • open cover is a type of cover[2].
  • open cover is part of theory of open covers of topological spaces[3].

Body

Definition and Type

open cover is a type of cover[2].

Use and Application

open cover is part of theory of open covers of topological spaces[3].

Why It Matters

open cover ranks in the top 2% of general entities by monthly Wikipedia readership (97 views/month).[1] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[4]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [4] ↑ . 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). open cover. Retrieved April 11, 2026, from https://4ort.xyz/entity/open-cover
MLA “open cover.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/open-cover.
BibTeX @misc{4ortxyz_open-cover_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{open cover}}, year = {2026}, url = {https://4ort.xyz/entity/open-cover}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): open cover — https://4ort.xyz/entity/open-cover (retrieved 2026-04-11)

Canonical URL: https://4ort.xyz/entity/open-cover · 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. 29d ago · Beegies · 2026-06-15 view diff on Wikidata ↗
    Part of → —
    Subclass of → —
    Lexikon der mathematik entry id → 9331
    Part of → theory of open covers of topological spaces
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P12975]]: 9331, Matched to [[:toollabs:mix-n-match/#/entry/168758749|offene Überdeckung (#168758749)]] in [[:toollabs:mix-n-match/#/catalog/6422|spektrum.de Lex"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.