Étale cohomology

Etale cohomology - sheaf cohomology on the étale site. Article “Étale cohomology” in English Wikipedia has 33.4 points for quality (as of July 1, 2025). The article contains 0 references and 18 sections.

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

Since the creation of article “Étale cohomology”, its content was written by 57 registered users of English Wikipedia and edited by 114 registered Wikipedia users in all languages.

The article is cited 135 times in English Wikipedia and cited 313 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #21004 in December 2003
• Global: #39723 in December 2003

The highest popularity rank from 2008:

• Local (English): #278864 in June 2013
• Global: #214146 in November 2014

There are 7 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.

#	Language	Quality grade	Quality score
1	English (en) Étale cohomology		33.3734
2	Korean (ko) 에탈 코호몰로지		27.5646
3	Chinese (zh) 平展上同调		21.4921
4	Japanese (ja) エタール・コホモロジー		8.3048
5	French (fr) Cohomologie étale		5.9473
6	Dutch (nl) Étale cohomologie		3.6456
7	Portuguese (pt) Coomologia etal		0.2326

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Étale cohomology		307 653
2	Japanese (ja) エタール・コホモロジー		91 498
3	French (fr) Cohomologie étale		51 162
4	Chinese (zh) 平展上同调		9 222
5	Korean (ko) 에탈 코호몰로지		5 614
6	Portuguese (pt) Coomologia etal		3 238
7	Dutch (nl) Étale cohomologie		678

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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 "Étale cohomology" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Étale cohomology		2 355
2	Japanese (ja) エタール・コホモロジー		352
3	French (fr) Cohomologie étale		268
4	Chinese (zh) 平展上同调		110
5	Korean (ko) 에탈 코호몰로지		68
6	Dutch (nl) Étale cohomologie		10
7	Portuguese (pt) Coomologia etal		9

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

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

#	Language	AI award	Relative AI
1	English (en) Étale cohomology		57
2	Japanese (ja) エタール・コホモロジー		31
3	Portuguese (pt) Coomologia etal		7
4	French (fr) Cohomologie étale		6
5	Korean (ko) 에탈 코호몰로지		5
6	Dutch (nl) Étale cohomologie		5
7	Chinese (zh) 平展上同调		3

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

Language versions of the article "Étale cohomology" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Étale cohomology		0
2	French (fr) Cohomologie étale		0
3	Japanese (ja) エタール・コホモロジー		0
4	Korean (ko) 에탈 코호몰로지		0
5	Dutch (nl) Étale cohomologie		0
6	Portuguese (pt) Coomologia etal		0
7	Chinese (zh) 平展上同调		0

More...

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

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

#	Language	CI award	Relative CI
1	English (en) Étale cohomology		135
2	French (fr) Cohomologie étale		58
3	Japanese (ja) エタール・コホモロジー		56
4	Korean (ko) 에탈 코호몰로지		28
5	Chinese (zh) 平展上同调		20
6	Dutch (nl) Étale cohomologie		11
7	Portuguese (pt) Coomologia etal		5

More...

#	Language	Value
en	English Étale cohomology
fr	French Cohomologie étale
ja	Japanese エタール・コホモロジー
ko	Korean 에탈 코호몰로지
nl	Dutch Étale cohomologie
pt	Portuguese Coomologia etal
zh	Chinese 平展上同调

Best Rank

English: #278864 06.2013

Global: #214146 11.2014

Best Rank

English: #21004 12.2003

Global: #39723 12.2003

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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 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