Fredholm alternative

en

WikiRank.net
ver. 1.6.2

Fredholm alternative

Quality:

Fredholm alternative - mathematical theorem. Article “Fredholm alternative” in English Wikipedia has 12.5 points for quality (as of July 1, 2025). The article contains 0 references and 6 sections.

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

Since the creation of article “Fredholm alternative”, its content was written by 27 registered users of English Wikipedia and edited by 123 registered Wikipedia users in all languages.

The article is cited 15 times in English Wikipedia and cited 66 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #78978 in May 2015
  • Global: #90953 in December 2008

The highest popularity rank from 2008:

  • Local (English): #453949 in December 2008
  • Global: #541073 in October 2023

There are 11 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
1Ukrainian (uk)
Альтернатива Фредгольма
27.673
2Russian (ru)
Альтернатива Фредгольма
24.4013
3French (fr)
Alternative de Fredholm
18.3159
4Polish (pl)
Alternatywa Fredholma
13.0185
5English (en)
Fredholm alternative
12.4559
6Portuguese (pt)
Alternativa de Fredholm
8.6328
7German (de)
Fredholmsche Alternative
7.1478
8Italian (it)
Alternativa di Fredholm
6.7381
9Japanese (ja)
フレドホルムの交代定理
5.9217
10Hungarian (hu)
Fredholm-alternatíva
3.8852
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 "Fredholm alternative" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Fredholm alternative
253 205
2Russian (ru)
Альтернатива Фредгольма
69 768
3German (de)
Fredholmsche Alternative
33 935
4Polish (pl)
Alternatywa Fredholma
18 073
5French (fr)
Alternative de Fredholm
16 364
6Italian (it)
Alternativa di Fredholm
10 498
7Japanese (ja)
フレドホルムの交代定理
9 135
8Portuguese (pt)
Alternativa de Fredholm
7 567
9Hungarian (hu)
Fredholm-alternatíva
3 381
10Hebrew (he)
אלטרנטיבת פרדהולם
3 321
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 "Fredholm alternative" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Fredholm alternative
1 818
2Russian (ru)
Альтернатива Фредгольма
487
3Japanese (ja)
フレドホルムの交代定理
134
4French (fr)
Alternative de Fredholm
105
5German (de)
Fredholmsche Alternative
103
6Italian (it)
Alternativa di Fredholm
58
7Portuguese (pt)
Alternativa de Fredholm
31
8Polish (pl)
Alternatywa Fredholma
28
9Hungarian (hu)
Fredholm-alternatíva
19
10Hebrew (he)
אלטרנטיבת פרדהולם
14
More...

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

The highest AI

Language versions of the article "Fredholm alternative" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Fredholmsche Alternative
31
2English (en)
Fredholm alternative
27
3Russian (ru)
Альтернатива Фредгольма
19
4Italian (it)
Alternativa di Fredholm
10
5French (fr)
Alternative de Fredholm
8
6Hebrew (he)
אלטרנטיבת פרדהולם
6
7Hungarian (hu)
Fredholm-alternatíva
6
8Japanese (ja)
フレドホルムの交代定理
5
9Polish (pl)
Alternatywa Fredholma
5
10Portuguese (pt)
Alternativa de Fredholm
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 "Fredholm alternative" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
Fredholmsche Alternative
0
2English (en)
Fredholm alternative
0
3French (fr)
Alternative de Fredholm
0
4Hebrew (he)
אלטרנטיבת פרדהולם
0
5Hungarian (hu)
Fredholm-alternatíva
0
6Italian (it)
Alternativa di Fredholm
0
7Japanese (ja)
フレドホルムの交代定理
0
8Polish (pl)
Alternatywa Fredholma
0
9Portuguese (pt)
Alternativa de Fredholm
0
10Russian (ru)
Альтернатива Фредгольма
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 "Fredholm alternative" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Fredholm alternative
15
2French (fr)
Alternative de Fredholm
9
3Russian (ru)
Альтернатива Фредгольма
9
4Japanese (ja)
フレドホルムの交代定理
7
5German (de)
Fredholmsche Alternative
6
6Polish (pl)
Alternatywa Fredholma
5
7Ukrainian (uk)
Альтернатива Фредгольма
5
8Italian (it)
Alternativa di Fredholm
4
9Portuguese (pt)
Alternativa de Fredholm
4
10Hebrew (he)
אלטרנטיבת פרדהולם
1
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
deGerman
Fredholmsche Alternative
enEnglish
Fredholm alternative
frFrench
Alternative de Fredholm
heHebrew
אלטרנטיבת פרדהולם
huHungarian
Fredholm-alternatíva
itItalian
Alternativa di Fredholm
jaJapanese
フレドホルムの交代定理
plPolish
Alternatywa Fredholma
ptPortuguese
Alternativa de Fredholm
ruRussian
Альтернатива Фредгольма
ukUkrainian
Альтернатива Фредгольма

Popularity rank trends

Best Rank English:
#453949
12.2008
Global:
#541073
10.2023

AI rank trends

Best Rank English:
#78978
05.2015
Global:
#90953
12.2008

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Fredholm alternative from Wikipedia articles about Fredholm theory, Fredholm integral equation, Fredholms theorem, Farkas lemma and Compact operator. Whereas reading the article about Fredholm alternative people most often go to Wikipedia articles on Spectral theory of compact operators, Fredholm operator, Farkas lemma, Fredholm theory and Erik Ivar Fredholm.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 21 February 2026

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In English Wikipedia the most popular articles on that day were: Eric Dane, Alysa Liu, Rebecca Gayheart, Jeffrey Epstein, 2026 Winter Olympics, Eileen Gu, John F. Kennedy Jr., Carolyn Bessette Kennedy, Deaths in 2026, Johannes Høsflot Klæbo.

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