Bernard Koopman

de

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Bernard Koopman

Quality:

Bernard Koopman - American mathematician (1900–1981). Article “Bernard Koopman” in German Wikipedia has 9.5 points for quality (as of July 1, 2025). The article contains 1 references and 4 sections.

This article has the best quality in Arabic Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Bernard Koopman”, its content was written by 14 registered users of German Wikipedia and edited by 61 registered Wikipedia users in all languages.

The article is cited 10 times in German Wikipedia and cited 185 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #21546 in May 2009
  • Global: #238506 in July 2014

The highest popularity rank from 2008:

  • Local (German): #467476 in May 2009
  • Global: #1098208 in April 2010

There are 5 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
1Arabic (ar)
برنارد كوبمان
21.05
2English (en)
Bernard Koopman
20.9185
3German (de)
Bernard Koopman
9.4739
4Russian (ru)
Купман, Бернард
7.3378
5Portuguese (pt)
Bernard Koopman
4.4622
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 "Bernard Koopman" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Bernard Koopman
91 316
2German (de)
Bernard Koopman
6 648
3Russian (ru)
Купман, Бернард
2 658
4Portuguese (pt)
Bernard Koopman
2 552
5Arabic (ar)
برنارد كوبمان
155
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 "Bernard Koopman" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Bernard Koopman
515
2Russian (ru)
Купман, Бернард
18
3German (de)
Bernard Koopman
13
4Arabic (ar)
برنارد كوبمان
6
5Portuguese (pt)
Bernard Koopman
3
More...

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

The highest AI

Language versions of the article "Bernard Koopman" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Bernard Koopman
35
2German (de)
Bernard Koopman
14
3Russian (ru)
Купман, Бернард
8
4Portuguese (pt)
Bernard Koopman
3
5Arabic (ar)
برنارد كوبمان
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 "Bernard Koopman" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
برنارد كوبمان
0
2German (de)
Bernard Koopman
0
3English (en)
Bernard Koopman
0
4Portuguese (pt)
Bernard Koopman
0
5Russian (ru)
Купман, Бернард
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 "Bernard Koopman" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Bernard Koopman
125
2Arabic (ar)
برنارد كوبمان
39
3German (de)
Bernard Koopman
10
4Russian (ru)
Купман, Бернард
6
5Portuguese (pt)
Bernard Koopman
5
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
برنارد كوبمان
deGerman
Bernard Koopman
enEnglish
Bernard Koopman
ptPortuguese
Bernard Koopman
ruRussian
Купман, Бернард

Popularity rank trends

Best Rank German:
#467476
05.2009
Global:
#1098208
04.2010

AI rank trends

Best Rank German:
#21546
05.2009
Global:
#238506
07.2014

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Bernard Koopman from Wikipedia articles about Composition operator, Koopman–von Neumann classical mechanics, Exponential family, William Fogg Osgood and Koopman. Whereas reading the article about Bernard Koopman people most often go to Wikipedia articles on Koopman–von Neumann classical mechanics, Composition operator, George David Birkhoff, Exponential family and Ergodic theory.

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 German Wikipedia the most popular articles on that day were: Jeffrey Epstein, Cordelia Wege, Polizeiruf 110: Der Wanderer zieht von dannen, Lawrence von Arabien (Film), Medaillenspiegel der Olympischen Winterspiele 2026, Peter Kurth (Schauspieler), Die Tribute von Panem – The Ballad of Songbirds and Snakes, Olympische Winterspiele 2026/Eishockey (Herren), Olympische Winterspiele 2026, Federica Brignone.

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