Lemma devíti

cs

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Lemma devíti

Quality:

Nine lemma - category theory lemma about commutative diagrams. Article “Lemma devíti” in Czech Wikipedia has 13.4 points for quality (as of July 1, 2025). The article contains 2 references and 2 sections.

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

Since the creation of article “Lemma devíti”, its content was written by 1 registered users of Czech Wikipedia and edited by 36 registered Wikipedia users in all languages.

The article is cited 3 times in Czech Wikipedia and cited 39 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Czech): #7559 in January 2025
  • Global: #93334 in February 2004

The highest popularity rank from 2008:

  • Local (Czech): #299517 in September 2024
  • Global: #867952 in November 2019

There are 8 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
1Korean (ko)
이중 사슬 복합체
26.4774
2Czech (cs)
Lemma devíti
13.3575
3German (de)
Neunerlemma
10.5793
4English (en)
Nine lemma
9.5761
5Portuguese (pt)
Lema dos nove
7.4918
6Chinese (zh)
九引理
5.5131
7Hungarian (hu)
9-lemma
3.7549
8Japanese (ja)
9項補題
1.9635
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 "Lemma devíti" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Nine lemma
68 381
2German (de)
Neunerlemma
10 130
3Japanese (ja)
9項補題
7 986
4Chinese (zh)
九引理
4 036
5Korean (ko)
이중 사슬 복합체
1 602
6Portuguese (pt)
Lema dos nove
130
7Hungarian (hu)
9-lemma
108
8Czech (cs)
Lemma devíti
53
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 "Lemma devíti" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Nine lemma
403
2Japanese (ja)
9項補題
55
3German (de)
Neunerlemma
33
4Chinese (zh)
九引理
15
5Korean (ko)
이중 사슬 복합체
10
6Portuguese (pt)
Lema dos nove
6
7Hungarian (hu)
9-lemma
5
8Czech (cs)
Lemma devíti
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 "Lemma devíti" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Nine lemma
15
2German (de)
Neunerlemma
10
3Chinese (zh)
九引理
4
4Japanese (ja)
9項補題
2
5Korean (ko)
이중 사슬 복합체
2
6Czech (cs)
Lemma devíti
1
7Hungarian (hu)
9-lemma
1
8Portuguese (pt)
Lema dos nove
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 "Lemma devíti" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Czech (cs)
Lemma devíti
0
2German (de)
Neunerlemma
0
3English (en)
Nine lemma
0
4Hungarian (hu)
9-lemma
0
5Japanese (ja)
9項補題
0
6Korean (ko)
이중 사슬 복합체
0
7Portuguese (pt)
Lema dos nove
0
8Chinese (zh)
九引理
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 "Lemma devíti" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Nine lemma
11
2Japanese (ja)
9項補題
8
3Korean (ko)
이중 사슬 복합체
7
4German (de)
Neunerlemma
4
5Czech (cs)
Lemma devíti
3
6Hungarian (hu)
9-lemma
3
7Chinese (zh)
九引理
3
8Portuguese (pt)
Lema dos nove
0
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
csCzech
Lemma devíti
deGerman
Neunerlemma
enEnglish
Nine lemma
huHungarian
9-lemma
jaJapanese
9項補題
koKorean
이중 사슬 복합체
ptPortuguese
Lema dos nove
zhChinese
九引理

Popularity rank trends

Best Rank Czech:
#299517
09.2024
Global:
#867952
11.2019

AI rank trends

Best Rank Czech:
#7559
01.2025
Global:
#93334
02.2004

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Nine lemma from Wikipedia articles about Five lemma, Commutative diagram, Isomorphism theorem, Horseshoe lemma and Exact sequence. Whereas reading the article about Nine lemma people most often go to Wikipedia articles on Snake lemma, Commutative diagram, Mathematics Made Difficult, Tic-tac-toe and Five lemma.

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 Czech Wikipedia the most popular articles on that day were: Petr Macinka, Kohabitace, Petr Kolář (diplomat), Petr Pavel, Filip Turek, Ondrej Nepela, Jiří Straka, Bachelor Česko, Žerotínové, Lucie Výborná.

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