Opačná kategorie

cs

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Opačná kategorie

Quality:

Opposite category - category constructed from another category C, whose objects are the same as those of C, whose morphisms from X to Y are the same as the morphisms in C from Y to X. Article "Opačná kategorie" in Czech Wikipedia has 13.7 points for quality (as of August 1, 2024). The article contains 3 references and 6 sections.

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

Since the creation of article "Opačná kategorie", its content was written by 4 registered users of Czech Wikipedia and edited by 53 registered Wikipedia users in all languages.

The highest Authors Interest rank from 2001:

  • Local (Czech): #2248 in March 2019
  • Global: #65710 in November 2003

The highest popularity rank from 2008:

  • Local (Czech): #245669 in November 2020
  • Global: #1157301 in October 2010

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 August 1, 2024 (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
1Ukrainian (uk)
Двоїста категорія
15.3725
2Czech (cs)
Opačná kategorie
13.7234
3English (en)
Opposite category
13.3225
4Russian (ru)
Двойственная категория
13.1634
5Japanese (ja)
反対圏
10.8073
6Dutch (nl)
Tegenovergestelde categorie
2.3906
7Spanish (es)
Categoría opuesta
2.0317
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 "Opačná kategorie" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Opposite category
107 969
2Russian (ru)
Двойственная категория
15 317
3Japanese (ja)
反対圏
7 272
4Dutch (nl)
Tegenovergestelde categorie
4 028
5Ukrainian (uk)
Двоїста категорія
1 236
6Spanish (es)
Categoría opuesta
789
7Czech (cs)
Opačná kategorie
328
More...

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

Most popular in July 2024

The most popular language versions of the article "Opačná kategorie" in July 2024
#LanguagePopularity awardRelative popularity
1English (en)
Opposite category
633
2Japanese (ja)
反対圏
85
3Russian (ru)
Двойственная категория
57
4Spanish (es)
Categoría opuesta
5
5Czech (cs)
Opačná kategorie
3
6Dutch (nl)
Tegenovergestelde categorie
3
7Ukrainian (uk)
Двоїста категорія
2
More...

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

The highest AI

Language versions of the article "Opačná kategorie" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Russian (ru)
Двойственная категория
17
2English (en)
Opposite category
15
3Dutch (nl)
Tegenovergestelde categorie
7
4Ukrainian (uk)
Двоїста категорія
5
5Czech (cs)
Opačná kategorie
4
6Japanese (ja)
反対圏
3
7Spanish (es)
Categoría opuesta
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 July 2024

Language versions of the article "Opačná kategorie" with the highest AI in July 2024
#LanguageAI awardRelative AI
1Czech (cs)
Opačná kategorie
0
2English (en)
Opposite category
0
3Spanish (es)
Categoría opuesta
0
4Japanese (ja)
反対圏
0
5Dutch (nl)
Tegenovergestelde categorie
0
6Russian (ru)
Двойственная категория
0
7Ukrainian (uk)
Двоїста категорія
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 "Opačná kategorie" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Opposite category
123
2Japanese (ja)
反対圏
77
3Russian (ru)
Двойственная категория
14
4Ukrainian (uk)
Двоїста категорія
11
5Spanish (es)
Categoría opuesta
8
6Dutch (nl)
Tegenovergestelde categorie
3
7Czech (cs)
Opačná kategorie
0
More...

Scores

Estimated value for Wikipedia:
Czech:
Global:
Popularity in July 2024:
Czech:
Global:
Popularity in all years:
Czech:
Global:
Authors in July 2024:
Czech:
Global:
Registered authors in all years:
Czech:
Global:
Citations:
Czech:
Global:

Quality measures

Interwikis

#LanguageValue
csCzech
Opačná kategorie
enEnglish
Opposite category
esSpanish
Categoría opuesta
jaJapanese
反対圏
nlDutch
Tegenovergestelde categorie
ruRussian
Двойственная категория
ukUkrainian
Двоїста категорія

Popularity rank trends

Best Rank Czech:
#245669
11.2020
Global:
#1157301
10.2010

AI rank trends

Best Rank Czech:
#2248
03.2019
Global:
#65710
11.2003

Local AI rank history

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Opposite category from Wikipedia articles about Dual, Functor, Category theory, Category and Corecursion. Whereas reading the article about Opposite category people most often go to Wikipedia articles on Functor, Dual, Comma category, Dual object and Stone space.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 18 September 2024

On 18 September 2024 in multilingual Wikipedia, Internet users most often read articles on the following topics: pager, Salvatore Schillaci, Hezbollah, UEFA Champions League, 2024–25 UEFA Champions League, 2024 Lebanon communication device explosions, Lyle and Erik Menéndez, Sean Combs, deaths in 2024, Shōgun.

In Czech Wikipedia the most popular articles on that day were: wiki.phtml, Jiří Štěpnička, Pager, Olga Matušková, Jiřina Štěpničková, Volby do zastupitelstev krajů v Česku 2024, Povodeň v Česku (2024), Waldemar Matuška, Pustina (seriál), Volby do Senátu Parlamentu České republiky 2024.

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 August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information