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Lema de Urysohn

Quality:

Urysohn's lemma - a topological space is normal iff any 2 disjoint closed subsets can be separated. Article "Lema de Urysohn" in Portuguese Wikipedia has 7.9 points for quality (as of November 1, 2023). The article contains 1 references and 4 sections. The article also contains quality flaw template, which reduce quality score.

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

In October 2023 the article "Lema de Urysohn" was edited by 1 authors in Portuguese Wikipedia and written by 2 authors in all languages.

Since the creation of article "Lema de Urysohn", its content was written by 6 registered users of Portuguese Wikipedia and edited by 248 registered Wikipedia users in all languages.

The article is cited 6 times in Portuguese Wikipedia and cited 437 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Portuguese): #13966 in November 2018
  • Global: #1063 in April 2002

The highest popularity rank from 2008:

  • Local (Portuguese): #170668 in June 2012
  • Global: #456766 in October 2010

There are 16 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 November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

Languages with the highest quality

#LanguageQuality gradeQuality score
1French (fr)
Lemme d'Urysohn
33.5454
2German (de)
Lemma von Urysohn
29.3651
3English (en)
Urysohn's lemma
17.078
4Finnish (fi)
Urysonin lemma
15.9251
5Italian (it)
Lemma di Urysohn
14.3254
6Persian (fa)
لم اوریسون
12.2296
7Hebrew (he)
הלמה של אוריסון
11.1308
8Chinese (zh)
乌雷松引理
10.042
9Polish (pl)
Lemat Urysohna
9.4536
10Portuguese (pt)
Lema de Urysohn
7.9334
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 "Lema de Urysohn" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Urysohn's lemma
313 804
2German (de)
Lemma von Urysohn
33 322
3French (fr)
Lemme d'Urysohn
32 712
4Italian (it)
Lemma di Urysohn
21 918
5Polish (pl)
Lemat Urysohna
17 477
6Russian (ru)
Функциональная отделимость
14 330
7Chinese (zh)
乌雷松引理
11 133
8Spanish (es)
Lema de Urysohn
10 519
9Hebrew (he)
הלמה של אוריסון
10 079
10Portuguese (pt)
Lema de Urysohn
7 406
More...

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

Most popular in October 2023

The most popular language versions of the article "Lema de Urysohn" in October 2023
#LanguagePopularity awardRelative popularity
1English (en)
Urysohn's lemma
2 418
2French (fr)
Lemme d'Urysohn
298
3Spanish (es)
Lema de Urysohn
164
4German (de)
Lemma von Urysohn
162
5Italian (it)
Lemma di Urysohn
161
6Russian (ru)
Функциональная отделимость
97
7Chinese (zh)
乌雷松引理
91
8Polish (pl)
Lemat Urysohna
50
9Portuguese (pt)
Lema de Urysohn
45
10Persian (fa)
لم اوریسون
40
More...

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

The highest AI

Language versions of the article "Lema de Urysohn" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Urysohn's lemma
60
2Italian (it)
Lemma di Urysohn
35
3German (de)
Lemma von Urysohn
34
4French (fr)
Lemme d'Urysohn
31
5Hebrew (he)
הלמה של אוריסון
19
6Russian (ru)
Функциональная отделимость
13
7Polish (pl)
Lemat Urysohna
11
8Vietnamese (vi)
Bổ đề Urysohn
8
9Swedish (sv)
Urysohns lemma
7
10Portuguese (pt)
Lema de Urysohn
6
More...

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

The highest AI in October 2023

Language versions of the article "Lema de Urysohn" with the highest AI in October 2023
#LanguageAI awardRelative AI
1Spanish (es)
Lema de Urysohn
1
2Portuguese (pt)
Lema de Urysohn
1
3German (de)
Lemma von Urysohn
0
4English (en)
Urysohn's lemma
0
5Persian (fa)
لم اوریسون
0
6Finnish (fi)
Urysonin lemma
0
7French (fr)
Lemme d'Urysohn
0
8Hebrew (he)
הלמה של אוריסון
0
9Italian (it)
Lemma di Urysohn
0
10Dutch (nl)
Lemma van Urysohn
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 "Lema de Urysohn" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Italian (it)
Lemma di Urysohn
136
2English (en)
Urysohn's lemma
110
3Chinese (zh)
乌雷松引理
63
4Hebrew (he)
הלמה של אוריסון
43
5Vietnamese (vi)
Bổ đề Urysohn
22
6German (de)
Lemma von Urysohn
16
7French (fr)
Lemme d'Urysohn
9
8Polish (pl)
Lemat Urysohna
9
9Portuguese (pt)
Lema de Urysohn
6
10Russian (ru)
Функциональная отделимость
6
More...

Scores

Estimated value for Wikipedia:
Portuguese:
Global:
Popularity in October 2023:
Portuguese:
Global:
Popularity in all years:
Portuguese:
Global:
Authors in October 2023:
Portuguese:
Global:
Registered authors in all years:
Portuguese:
Global:
Citations:
Portuguese:
Global:

Quality measures

Interwikis

#LanguageValue
deGerman
Lemma von Urysohn
enEnglish
Urysohn's lemma
esSpanish
Lema de Urysohn
faPersian
لم اوریسون
fiFinnish
Urysonin lemma
frFrench
Lemme d'Urysohn
heHebrew
הלמה של אוריסון
itItalian
Lemma di Urysohn
nlDutch
Lemma van Urysohn
plPolish
Lemat Urysohna
ptPortuguese
Lema de Urysohn
ruRussian
Функциональная отделимость
svSwedish
Urysohns lemma
ukUkrainian
Лема Урисона
viVietnamese
Bổ đề Urysohn
zhChinese
乌雷松引理

Popularity rank trends

Best Rank Portuguese:
#170668
06.2012
Global:
#456766
10.2010

AI rank trends

Best Rank Portuguese:
#13966
11.2018
Global:
#1063
04.2002

Global AI rank history

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Urysohn's lemma from Wikipedia articles about Tychonoffs theorem, Tietze extension theorem, Pavel Samuilovich Urysohn, Normal space and Lemma. Whereas reading the article about Urysohn's lemma people most often go to Wikipedia articles on Normal space, Pavel Samuilovich Urysohn, Tietze extension theorem, Mollifier and Mizar system.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 11 June 2024

On 11 June 2024 in multilingual Wikipedia, Internet users most often read articles on the following topics: UEFA Euro 2024, ChatGPT, 2026 FIFA World Cup qualification (AFC), Cristiano Ronaldo, YouTube, UEFA European Championship, deaths in 2024, Malawi, 2024 European Athletics Championships, Hunter Biden.

In Portuguese Wikipedia the most popular articles on that day were: ChatGPT, Crise de 25 de Novembro de 1975, Jogo do bicho, Cristiano Ronaldo, Dia dos Namorados, Campeonato Europeu de Futebol, Sony Channel, YouTube, Pablo Marçal, Canal Brasil.

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 November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information