Koopman–von Neumann classical mechanics

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Koopman–von Neumann classical mechanics

Quality:

Koopman–von Neumann classical mechanics - Formulation of classical mechanics in terms of Hilbert space. Article “Koopman–von Neumann classical mechanics” in English Wikipedia has 51 points for quality (as of July 1, 2025). The article contains 56 references and 10 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 2.68 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 “Koopman–von Neumann classical mechanics” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Koopman–von Neumann classical mechanics”, its content was written by 35 registered users of English Wikipedia and edited by 54 registered Wikipedia users in all languages.

The article is cited 123 times in English Wikipedia and cited 221 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #29099 in February 2025
  • Global: #99047 in November 2012

The highest popularity rank from 2008:

  • Local (English): #339869 in April 2023
  • Global: #564388 in April 2023

There are 3 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)
Koopman–von Neumann classical mechanics
50.9755
2Portuguese (pt)
Mecânica clássica de Koopman-von Neumann
22.9743
3Russian (ru)
Теория Купмана — фон Неймана
18.8567
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 "Koopman–von Neumann classical mechanics" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Koopman–von Neumann classical mechanics
125 139
2Russian (ru)
Теория Купмана — фон Неймана
19 907
3Portuguese (pt)
Mecânica clássica de Koopman-von Neumann
1 714
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 "Koopman–von Neumann classical mechanics" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Koopman–von Neumann classical mechanics
1 268
2Russian (ru)
Теория Купмана — фон Неймана
65
3Portuguese (pt)
Mecânica clássica de Koopman-von Neumann
10
More...

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

The highest AI

Language versions of the article "Koopman–von Neumann classical mechanics" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Koopman–von Neumann classical mechanics
35
2Russian (ru)
Теория Купмана — фон Неймана
14
3Portuguese (pt)
Mecânica clássica de Koopman-von Neumann
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 "Koopman–von Neumann classical mechanics" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Koopman–von Neumann classical mechanics
1
2Portuguese (pt)
Mecânica clássica de Koopman-von Neumann
0
3Russian (ru)
Теория Купмана — фон Неймана
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 "Koopman–von Neumann classical mechanics" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Koopman–von Neumann classical mechanics
123
2Portuguese (pt)
Mecânica clássica de Koopman-von Neumann
79
3Russian (ru)
Теория Купмана — фон Неймана
19
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
Koopman–von Neumann classical mechanics
ptPortuguese
Mecânica clássica de Koopman-von Neumann
ruRussian
Теория Купмана — фон Неймана

Popularity rank trends

Best Rank English:
#339869
04.2023
Global:
#564388
04.2023

AI rank trends

Best Rank English:
#29099
02.2025
Global:
#99047
11.2012

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Koopman–von Neumann classical mechanics from Wikipedia articles about Lagrangian mechanics, Hamiltonian mechanics, Bernard Koopman, Appells equation of motion and Ehrenfest theorem. Whereas reading the article about Koopman–von Neumann classical mechanics people most often go to Wikipedia articles on Bernard Koopman, Liouvilles theorem, Ergodic theory, Stones theorem on one-parameter unitary groups and John von Neumann.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 15 February 2026

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In English Wikipedia the most popular articles on that day were: Jeffrey Epstein, Wuthering Heights, Wuthering Heights (2026 film), 2026 Winter Olympics, Lucas Pinheiro Braathen, Ice hockey at the 2026 Winter Olympics – Men's tournament, Epstein files, John F. Kennedy Jr., Anthony Kim, James Van Der Beek.

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