Furry's theorem

en

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Furry's theorem

Quality:

Furry's theorem - theorem in quantum physics that, in a theory preserving charge conjugation symmetry, a Feynman diagram consisting of a closed fermion loop connected to an odd number of vertices integrates to zero. Article “Furry's theorem” in English Wikipedia has 25.7 points for quality (as of July 1, 2025). The article contains 13 references and 4 sections.

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

Since the creation of article “Furry's theorem”, its content was written by 13 registered users of English Wikipedia and edited by 31 registered Wikipedia users in all languages.

The article is cited 40 times in English Wikipedia and cited 64 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #41438 in February 2021
  • Global: #164439 in February 2021

The highest popularity rank from 2008:

  • Local (English): #236661 in January 2023
  • Global: #368559 in January 2023

There are 6 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)
Furry's theorem
25.7328
2Chinese (zh)
富利定理
23.1609
3Catalan (ca)
Teorema de Furry
21.9071
4German (de)
Furry-Theorem
16.0136
5Portuguese (pt)
Teorema de Furry
15.4707
6Russian (ru)
Теорема Фарри
7.599
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 "Furry's theorem" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Furry's theorem
34 126
2Russian (ru)
Теорема Фарри
11 005
3German (de)
Furry-Theorem
6 363
4Chinese (zh)
富利定理
939
5Portuguese (pt)
Teorema de Furry
436
6Catalan (ca)
Teorema de Furry
217
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 "Furry's theorem" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Furry's theorem
934
2Chinese (zh)
富利定理
39
3Russian (ru)
Теорема Фарри
37
4German (de)
Furry-Theorem
20
5Portuguese (pt)
Teorema de Furry
10
6Catalan (ca)
Teorema de Furry
5
More...

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

The highest AI

Language versions of the article "Furry's theorem" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Furry's theorem
13
2Russian (ru)
Теорема Фарри
7
3German (de)
Furry-Theorem
6
4Chinese (zh)
富利定理
3
5Catalan (ca)
Teorema de Furry
1
6Portuguese (pt)
Teorema de Furry
1
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 "Furry's theorem" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Russian (ru)
Теорема Фарри
1
2Catalan (ca)
Teorema de Furry
0
3German (de)
Furry-Theorem
0
4English (en)
Furry's theorem
0
5Portuguese (pt)
Teorema de Furry
0
6Chinese (zh)
富利定理
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 "Furry's theorem" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Furry's theorem
40
2Chinese (zh)
富利定理
18
3Russian (ru)
Теорема Фарри
3
4German (de)
Furry-Theorem
2
5Catalan (ca)
Teorema de Furry
1
6Portuguese (pt)
Teorema de Furry
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
caCatalan
Teorema de Furry
deGerman
Furry-Theorem
enEnglish
Furry's theorem
ptPortuguese
Teorema de Furry
ruRussian
Теорема Фарри
zhChinese
富利定理

Popularity rank trends

Best Rank English:
#236661
01.2023
Global:
#368559
01.2023

AI rank trends

Best Rank English:
#41438
02.2021
Global:
#164439
02.2021

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Furry's theorem from Wikipedia articles about Wendell H. Furry, One-loop Feynman diagram, Photon, List of theorems and Landau–Yang theorem. Whereas reading the article about Furry's theorem people most often go to Wikipedia articles on Wendell H. Furry, Landau–Yang theorem, Ward–Takahashi identity, Feynman diagram and Delbrück scattering.

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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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