Union-closed sets conjecture

en

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Union-closed sets conjecture

Quality:

Union-closed sets conjecture - 1979 conjecture in combinatorics. Article "Union-closed sets conjecture" in English Wikipedia has 28.9 points for quality (as of July 1, 2025). The article contains 10 references and 11 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

Since the creation of article "Union-closed sets conjecture", its content was written by 30 registered users of English Wikipedia and edited by 50 registered Wikipedia users in all languages.

The article is cited 9 times in English Wikipedia and cited 15 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #41752 in November 2022
  • Global: #125023 in December 2024

The highest popularity rank from 2008:

  • Local (English): #250188 in January 2023
  • Global: #428342 in January 2023

There are 4 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Union-closed sets conjecture
28.9074
2Russian (ru)
Гипотеза Франкла
27.1525
3Hungarian (hu)
Frankl-sejtés
14.7129
4French (fr)
Conjecture des familles stables par unions
9.1356
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Union-closed sets conjecture" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Union-closed sets conjecture
133 870
2French (fr)
Conjecture des familles stables par unions
6 788
3Hungarian (hu)
Frankl-sejtés
2 605
4Russian (ru)
Гипотеза Франкла
1 255
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Union-closed sets conjecture" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Union-closed sets conjecture
1 332
2French (fr)
Conjecture des familles stables par unions
25
3Russian (ru)
Гипотеза Франкла
22
4Hungarian (hu)
Frankl-sejtés
7
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Union-closed sets conjecture" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Union-closed sets conjecture
30
2French (fr)
Conjecture des familles stables par unions
9
3Russian (ru)
Гипотеза Франкла
6
4Hungarian (hu)
Frankl-sejtés
5
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Union-closed sets conjecture" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Union-closed sets conjecture
0
2French (fr)
Conjecture des familles stables par unions
0
3Hungarian (hu)
Frankl-sejtés
0
4Russian (ru)
Гипотеза Франкла
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Union-closed sets conjecture" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Union-closed sets conjecture
9
2French (fr)
Conjecture des familles stables par unions
5
3Hungarian (hu)
Frankl-sejtés
1
4Russian (ru)
Гипотеза Франкла
0
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Union-closed sets conjecture
frFrench
Conjecture des familles stables par unions
huHungarian
Frankl-sejtés
ruRussian
Гипотеза Франкла

Popularity rank trends

Best Rank English:
#250188
01.2023
Global:
#428342
01.2023

AI rank trends

Best Rank English:
#41752
11.2022
Global:
#125023
12.2024

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Union-closed sets conjecture from Wikipedia articles about List of unsolved problems in mathematics, Péter Frankl, List of conjectures, Extremal combinatorics and Timothy Gowers. Whereas reading the article about Union-closed sets conjecture people most often go to Wikipedia articles on Péter Frankl, Timothy Gowers, List of unsolved problems in mathematics, Family of sets and Independent set.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

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In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information