Sub-Riemannian manifold

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Sub-Riemannian manifold

Quality:

Sub-Riemannian manifold - type of generalization of a Riemannian manifold. Article “Sub-Riemannian manifold” in English Wikipedia has 9.8 points for quality (as of July 1, 2025). The article contains 0 references and 5 sections.

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

Since the creation of article “Sub-Riemannian manifold”, its content was written by 26 registered users of English Wikipedia and edited by 37 registered Wikipedia users in all languages.

The article is cited 195 times in English Wikipedia and cited 215 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #44170 in September 2005
  • Global: #115761 in April 2005

The highest popularity rank from 2008:

  • Local (English): #708795 in December 2014
  • Global: #1206021 in December 2014

There are 5 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
1Russian (ru)
Субриманово многообразие
13.0063
2English (en)
Sub-Riemannian manifold
9.8043
3Catalan (ca)
Varietat subriemanniana
7.0305
4Spanish (es)
Variedad subriemanniana
4.9837
5Ukrainian (uk)
Субріманів многовид
1.1371
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 "Sub-Riemannian manifold" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Sub-Riemannian manifold
90 425
2Russian (ru)
Субриманово многообразие
4 433
3Spanish (es)
Variedad subriemanniana
3 535
4Ukrainian (uk)
Субріманів многовид
144
5Catalan (ca)
Varietat subriemanniana
62
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 "Sub-Riemannian manifold" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Sub-Riemannian manifold
745
2Russian (ru)
Субриманово многообразие
37
3Spanish (es)
Variedad subriemanniana
7
4Ukrainian (uk)
Субріманів многовид
6
5Catalan (ca)
Varietat subriemanniana
4
More...

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

The highest AI

Language versions of the article "Sub-Riemannian manifold" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Sub-Riemannian manifold
26
2Russian (ru)
Субриманово многообразие
5
3Catalan (ca)
Varietat subriemanniana
2
4Spanish (es)
Variedad subriemanniana
2
5Ukrainian (uk)
Субріманів многовид
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 "Sub-Riemannian manifold" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Varietat subriemanniana
0
2English (en)
Sub-Riemannian manifold
0
3Spanish (es)
Variedad subriemanniana
0
4Russian (ru)
Субриманово многообразие
0
5Ukrainian (uk)
Субріманів многовид
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 "Sub-Riemannian manifold" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Sub-Riemannian manifold
195
2Russian (ru)
Субриманово многообразие
12
3Spanish (es)
Variedad subriemanniana
4
4Catalan (ca)
Varietat subriemanniana
3
5Ukrainian (uk)
Субріманів многовид
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
caCatalan
Varietat subriemanniana
enEnglish
Sub-Riemannian manifold
esSpanish
Variedad subriemanniana
ruRussian
Субриманово многообразие
ukUkrainian
Субріманів многовид

Popularity rank trends

Best Rank English:
#708795
12.2014
Global:
#1206021
12.2014

AI rank trends

Best Rank English:
#44170
09.2005
Global:
#115761
04.2005

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Sub-Riemannian manifold from Wikipedia articles about Riemannian manifold, Carnot group, Konstantinos Carathéodory, Contact geometry and Chow–Rashevskii theorem. Whereas reading the article about Sub-Riemannian manifold people most often go to Wikipedia articles on Hörmanders condition, Chow–Rashevskii theorem, Carnot group, Heisenberg group and Distribution.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 15 February 2026

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In English Wikipedia the most popular articles on that day were: Jeffrey Epstein, Wuthering Heights, Wuthering Heights (2026 film), 2026 Winter Olympics, Lucas Pinheiro Braathen, Ice hockey at the 2026 Winter Olympics – Men's tournament, Epstein files, John F. Kennedy Jr., Anthony Kim, James Van Der Beek.

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