Zabreiko teoreem

et

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Zabreiko teoreem

Quality:

Zabreiko lemma - lemma stating that, if a seminorm on a Banach space is subadditive for absolutely convergent series, then it is continuous. Article “Zabreiko teoreem” in Estonian Wikipedia has 13.6 points for quality (as of July 1, 2025).

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

Since the creation of article “Zabreiko teoreem”, its content was written by 3 registered users of Estonian Wikipedia and edited by 13 registered Wikipedia users in all languages.

The article is cited 3 times in Estonian Wikipedia and cited 5 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Estonian): #4602 in January 2010
  • Global: #305051 in February 2015

The highest popularity rank from 2008:

  • Local (Estonian): #42493 in February 2010
  • Global: #4028699 in June 2017

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
1German (de)
Lemma von Zabreiko
24.1858
2French (fr)
Lemme de Zabrejko
14.1738
3Estonian (et)
Zabreiko teoreem
13.5683
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 "Zabreiko teoreem" in all the time
#LanguagePopularity awardRelative popularity
1German (de)
Lemma von Zabreiko
2 698
2Estonian (et)
Zabreiko teoreem
1 814
3French (fr)
Lemme de Zabrejko
525
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 "Zabreiko teoreem" in June 2025
#LanguagePopularity awardRelative popularity
1German (de)
Lemma von Zabreiko
20
2Estonian (et)
Zabreiko teoreem
13
3French (fr)
Lemme de Zabrejko
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 "Zabreiko teoreem" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Lemma von Zabreiko
8
2Estonian (et)
Zabreiko teoreem
3
3French (fr)
Lemme de Zabrejko
2
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 "Zabreiko teoreem" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
Lemma von Zabreiko
0
2Estonian (et)
Zabreiko teoreem
0
3French (fr)
Lemme de Zabrejko
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 "Zabreiko teoreem" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Estonian (et)
Zabreiko teoreem
3
2German (de)
Lemma von Zabreiko
2
3French (fr)
Lemme de Zabrejko
0
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
deGerman
Lemma von Zabreiko
etEstonian
Zabreiko teoreem
frFrench
Lemme de Zabrejko

Popularity rank trends

Best Rank Estonian:
#42493
02.2010
Global:
#4028699
06.2017

AI rank trends

Best Rank Estonian:
#4602
01.2010
Global:
#305051
02.2015

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

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 February 2026

On 28 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Ali Khamenei, Iran, Ruhollah Khomeini, Jeffrey Epstein, Supreme Leader of Iran, Mohammad Reza I of Iran, 2026 Israeli–United States strikes on Iran, Neil Sedaka, Masoud Pezeshkian, Resident Evil Requiem.

In Estonian Wikipedia the most popular articles on that day were: Viktor Vassiljev (muusik), Harald V, Iraan, Katarina Witt, Sonja (Norra kuninganna), Norra kuningas, Haakon (Norra kroonprints), Lähis-Ida, Dubai, Iisrael.

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