Neunerlemma

Nine lemma - category theory lemma about commutative diagrams. Article “Neunerlemma” in German Wikipedia has 10.4 points for quality (as of July 1, 2026). The article contains 1 references and 4 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 “Neunerlemma”, its content was written by 10 registered users of German Wikipedia and edited by 41 registered Wikipedia users in all languages.

The article is cited 4 times in German Wikipedia and cited 33 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #101621 in September 2007
• Global: #93320 in February 2004

The highest popularity rank from 2008:

• Local (German): #440863 in November 2019
• Global: #870097 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, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Korean (ko) 이중 사슬 복합체		26.5106
2	English (en) Nine lemma		16.3404
3	Czech (cs) Lemma devíti		13.2639
4	German (de) Neunerlemma		10.3764
5	Portuguese (pt) Lema dos nove		7.4688
6	Chinese (zh) 九引理		5.5096
7	Hungarian (hu) 9-lemma		3.7739
8	Japanese (ja) 9項補題		1.9547

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Neunerlemma" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Nine lemma		73 432
2	German (de) Neunerlemma		10 477
3	Japanese (ja) 9項補題		8 635
4	Chinese (zh) 九引理		4 653
5	Korean (ko) 이중 사슬 복합체		1 773
6	Portuguese (pt) Lema dos nove		163
7	Hungarian (hu) 9-lemma		155
8	Czech (cs) Lemma devíti		86

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Neunerlemma" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Nine lemma		486
2	Japanese (ja) 9項補題		46
3	German (de) Neunerlemma		30
4	Chinese (zh) 九引理		29
5	Korean (ko) 이중 사슬 복합체		13
6	Czech (cs) Lemma devíti		6
7	Hungarian (hu) 9-lemma		6
8	Portuguese (pt) Lema dos nove		3

More...

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

Language versions of the article "Neunerlemma" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Nine lemma		20
2	German (de) Neunerlemma		10
3	Chinese (zh) 九引理		4
4	Japanese (ja) 9項補題		2
5	Korean (ko) 이중 사슬 복합체		2
6	Czech (cs) Lemma devíti		1
7	Hungarian (hu) 9-lemma		1
8	Portuguese (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.

Language versions of the article "Neunerlemma" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Czech (cs) Lemma devíti		0
2	German (de) Neunerlemma		0
3	English (en) Nine lemma		0
4	Hungarian (hu) 9-lemma		0
5	Japanese (ja) 9項補題		0
6	Korean (ko) 이중 사슬 복합체		0
7	Portuguese (pt) Lema dos nove		0
8	Chinese (zh) 九引理		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Neunerlemma" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Nine lemma		10
2	Japanese (ja) 9項補題		5
3	Korean (ko) 이중 사슬 복합체		5
4	German (de) Neunerlemma		4
5	Chinese (zh) 九引理		4
6	Czech (cs) Lemma devíti		3
7	Hungarian (hu) 9-lemma		1
8	Portuguese (pt) Lema dos nove		1

More...

#	Language	Value
cs	Czech Lemma devíti
de	German Neunerlemma
en	English Nine lemma
hu	Hungarian 9-lemma
ja	Japanese 9項補題
ko	Korean 이중 사슬 복합체
pt	Portuguese Lema dos nove
zh	Chinese 九引理

Best Rank

German: #440863 11.2019

Global: #870097 11.2019

Best Rank

German: #101621 09.2007

Global: #93320 02.2004

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information