Borsuk–Ulam theorem

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Borsuk–Ulam theorem

Quality:

Borsuk–Ulam theorem - theorem. Article “Borsuk–Ulam theorem” in English Wikipedia has 34.3 points for quality (as of July 1, 2025). The article contains 12 references and 13 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.8 points.

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

In June 2025 the article “Borsuk–Ulam theorem” was edited by 1 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “Borsuk–Ulam theorem”, its content was written by 80 registered users of English Wikipedia and edited by 328 registered Wikipedia users in all languages.

The article is cited 40 times in English Wikipedia and cited 323 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #754 in August 2001
  • Global: #864 in August 2001

The highest popularity rank from 2008:

  • Local (English): #126397 in March 2021
  • Global: #206646 in March 2021

There are 19 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)
Borsuk–Ulam theorem
34.2721
2French (fr)
Théorème de Borsuk-Ulam
33.4704
3Polish (pl)
Twierdzenie Borsuka-Ulama
19.9149
4Vietnamese (vi)
Định lý Borsuk–Ulam
19.8957
5Russian (ru)
Теорема Борсука — Улама
16.5637
6German (de)
Satz von Borsuk-Ulam
15.1941
7Persian (fa)
قضیه بورسوک-اولام
12.9127
8Hebrew (he)
משפט בורסוק-אולם
12.4045
9Catalan (ca)
Teorema de Borsuk-Ulam
9.1701
10Portuguese (pt)
Teorema de Borsuk-Ulam
8.8964
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 "Borsuk–Ulam theorem" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Borsuk–Ulam theorem
485 452
2French (fr)
Théorème de Borsuk-Ulam
51 628
3Polish (pl)
Twierdzenie Borsuka-Ulama
48 920
4Russian (ru)
Теорема Борсука — Улама
45 662
5German (de)
Satz von Borsuk-Ulam
37 975
6Italian (it)
Teorema di Borsuk-Ulam
23 053
7Spanish (es)
Teorema de Borsuk-Ulam
14 416
8Portuguese (pt)
Teorema de Borsuk-Ulam
11 942
9Chinese (zh)
博苏克-乌拉姆定理
11 845
10Korean (ko)
보르수크-울람 정리
11 349
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 "Borsuk–Ulam theorem" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Borsuk–Ulam theorem
2 690
2French (fr)
Théorème de Borsuk-Ulam
335
3Russian (ru)
Теорема Борсука — Улама
178
4German (de)
Satz von Borsuk-Ulam
173
5Italian (it)
Teorema di Borsuk-Ulam
122
6Spanish (es)
Teorema de Borsuk-Ulam
121
7Hebrew (he)
משפט בורסוק-אולם
116
8Polish (pl)
Twierdzenie Borsuka-Ulama
113
9Korean (ko)
보르수크-울람 정리
94
10Chinese (zh)
博苏克-乌拉姆定理
90
More...

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

The highest AI

Language versions of the article "Borsuk–Ulam theorem" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Borsuk–Ulam theorem
80
2French (fr)
Théorème de Borsuk-Ulam
38
3German (de)
Satz von Borsuk-Ulam
34
4Dutch (nl)
Stelling van Borsuk-Ulam
30
5Italian (it)
Teorema di Borsuk-Ulam
26
6Russian (ru)
Теорема Борсука — Улама
26
7Polish (pl)
Twierdzenie Borsuka-Ulama
14
8Danish (da)
Borsuk–Ulams sætning
11
9Portuguese (pt)
Teorema de Borsuk-Ulam
11
10Hebrew (he)
משפט בורסוק-אולם
10
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 "Borsuk–Ulam theorem" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Borsuk–Ulam theorem
1
2Russian (ru)
Теорема Борсука — Улама
1
3Catalan (ca)
Teorema de Borsuk-Ulam
0
4Danish (da)
Borsuk–Ulams sætning
0
5German (de)
Satz von Borsuk-Ulam
0
6Spanish (es)
Teorema de Borsuk-Ulam
0
7Persian (fa)
قضیه بورسوک-اولام
0
8Finnish (fi)
Borsukin–Ulamin lause
0
9French (fr)
Théorème de Borsuk-Ulam
0
10Hebrew (he)
משפט בורסוק-אולם
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 "Borsuk–Ulam theorem" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Italian (it)
Teorema di Borsuk-Ulam
142
2English (en)
Borsuk–Ulam theorem
40
3German (de)
Satz von Borsuk-Ulam
23
4French (fr)
Théorème de Borsuk-Ulam
18
5Russian (ru)
Теорема Борсука — Улама
15
6Polish (pl)
Twierdzenie Borsuka-Ulama
11
7Hebrew (he)
משפט בורסוק-אולם
9
8Chinese (zh)
博苏克-乌拉姆定理
9
9Catalan (ca)
Teorema de Borsuk-Ulam
8
10Spanish (es)
Teorema de Borsuk-Ulam
8
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
caCatalan
Teorema de Borsuk-Ulam
daDanish
Borsuk–Ulams sætning
deGerman
Satz von Borsuk-Ulam
enEnglish
Borsuk–Ulam theorem
esSpanish
Teorema de Borsuk-Ulam
faPersian
قضیه بورسوک-اولام
fiFinnish
Borsukin–Ulamin lause
frFrench
Théorème de Borsuk-Ulam
heHebrew
משפט בורסוק-אולם
huHungarian
Borsuk–Ulam-tétel
itItalian
Teorema di Borsuk-Ulam
koKorean
보르수크-울람 정리
nlDutch
Stelling van Borsuk-Ulam
plPolish
Twierdzenie Borsuka-Ulama
ptPortuguese
Teorema de Borsuk-Ulam
ruRussian
Теорема Борсука — Улама
ukUkrainian
Теорема Борсука — Уляма
viVietnamese
Định lý Borsuk–Ulam
zhChinese
博苏克-乌拉姆定理

Popularity rank trends

Best Rank English:
#126397
03.2021
Global:
#206646
03.2021

AI rank trends

Best Rank English:
#754
08.2001
Global:
#864
08.2001

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Borsuk–Ulam theorem from Wikipedia articles about Brouwer fixed-point theorem, Ham sandwich theorem, Stanisław Ulam, Algebraic topology and Necklace splitting problem. Whereas reading the article about Borsuk–Ulam theorem people most often go to Wikipedia articles on Tuckers lemma, Ham sandwich theorem, Stanisław Ulam, Karol Borsuk and Brouwer fixed-point theorem.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

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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