Karl Sundman

de

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Karl Sundman

Quality:

Karl F. Sundman - Finnish astronomer and mathematician (1873–1949). Article “Karl Sundman” in German Wikipedia has 5 points for quality (as of July 1, 2025). The article contains 0 references and 3 sections.

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

Since the creation of article “Karl Sundman”, its content was written by 27 registered users of German Wikipedia and edited by 170 registered Wikipedia users in all languages.

The article is cited 12 times in German Wikipedia and cited 105 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #36172 in May 2016
  • Global: #116150 in September 2009

The highest popularity rank from 2008:

  • Local (German): #319633 in March 2024
  • Global: #554552 in April 2024

There are 12 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)
Karl F. Sundman
31.8461
2Russian (ru)
Зундман, Карл
27.3828
3Catalan (ca)
Karl Sundman
27.2496
4Korean (ko)
카를 F. 순드만
26.4699
5Spanish (es)
Karl F. Sundman
26.2055
6Swedish (sv)
Karl Fritiof Sundman
26.1303
7Ukrainian (uk)
Карл Зундман
24.8607
8Finnish (fi)
Karl F. Sundman
21.8071
9Japanese (ja)
カール・スンドマン
7.8224
10Portuguese (pt)
Karl F. Sundman
5.7158
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 "Karl Sundman" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Karl F. Sundman
85 425
2Russian (ru)
Зундман, Карл
15 982
3French (fr)
Karl Sundman
15 069
4German (de)
Karl Sundman
13 862
5Finnish (fi)
Karl F. Sundman
8 148
6Japanese (ja)
カール・スンドマン
4 492
7Swedish (sv)
Karl Fritiof Sundman
3 012
8Spanish (es)
Karl F. Sundman
2 776
9Portuguese (pt)
Karl F. Sundman
2 346
10Ukrainian (uk)
Карл Зундман
560
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 "Karl Sundman" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Karl F. Sundman
366
2Russian (ru)
Зундман, Карл
120
3Finnish (fi)
Karl F. Sundman
55
4French (fr)
Karl Sundman
47
5German (de)
Karl Sundman
42
6Japanese (ja)
カール・スンドマン
17
7Portuguese (pt)
Karl F. Sundman
14
8Swedish (sv)
Karl Fritiof Sundman
13
9Spanish (es)
Karl F. Sundman
12
10Korean (ko)
카를 F. 순드만
9
More...

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

The highest AI

Language versions of the article "Karl Sundman" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Karl F. Sundman
33
2French (fr)
Karl Sundman
28
3German (de)
Karl Sundman
27
4Finnish (fi)
Karl F. Sundman
23
5Russian (ru)
Зундман, Карл
18
6Swedish (sv)
Karl Fritiof Sundman
11
7Japanese (ja)
カール・スンドマン
8
8Catalan (ca)
Karl Sundman
6
9Portuguese (pt)
Karl F. Sundman
6
10Spanish (es)
Karl F. Sundman
4
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 "Karl Sundman" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Russian (ru)
Зундман, Карл
1
2Catalan (ca)
Karl Sundman
0
3German (de)
Karl Sundman
0
4English (en)
Karl F. Sundman
0
5Spanish (es)
Karl F. Sundman
0
6Finnish (fi)
Karl F. Sundman
0
7French (fr)
Karl Sundman
0
8Japanese (ja)
カール・スンドマン
0
9Korean (ko)
카를 F. 순드만
0
10Portuguese (pt)
Karl F. Sundman
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 "Karl Sundman" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Karl F. Sundman
19
2French (fr)
Karl Sundman
16
3Russian (ru)
Зундман, Карл
13
4German (de)
Karl Sundman
12
5Finnish (fi)
Karl F. Sundman
11
6Ukrainian (uk)
Карл Зундман
7
7Spanish (es)
Karl F. Sundman
6
8Japanese (ja)
カール・スンドマン
6
9Portuguese (pt)
Karl F. Sundman
6
10Swedish (sv)
Karl Fritiof Sundman
6
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
caCatalan
Karl Sundman
deGerman
Karl Sundman
enEnglish
Karl F. Sundman
esSpanish
Karl F. Sundman
fiFinnish
Karl F. Sundman
frFrench
Karl Sundman
jaJapanese
カール・スンドマン
koKorean
카를 F. 순드만
ptPortuguese
Karl F. Sundman
ruRussian
Зундман, Карл
svSwedish
Karl Fritiof Sundman
ukUkrainian
Карл Зундман

Popularity rank trends

Best Rank German:
#319633
03.2024
Global:
#554552
04.2024

AI rank trends

Best Rank German:
#36172
05.2016
Global:
#116150
09.2009

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Karl F. Sundman from Wikipedia articles about Three-body problem, N-body problem, Henri Poincaré, Qiudong Wang and Series. Whereas reading the article about Karl F. Sundman people most often go to Wikipedia articles on Qiudong Wang, N-body problem, Three-body problem, Series and Acta Mathematica.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In German Wikipedia the most popular articles on that day were: Whitney Houston, Fall Gil Ofarim, Gil Ofarim, Handball-Europameisterschaft der Männer 2026, Der neue Freund, Tova Friedman, Sven Schulze (Politiker, 1979), Liste der größten Auslegerbrücken, Bobbi Kristina Brown, Patricia Aulitzky.

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