Unitärer Operator

de

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Unitärer Operator

Quality:

Unitary operator - surjective bounded operator on a Hilbert space preserving the inner product. Article "Unitärer Operator" in German Wikipedia has 11.5 points for quality (as of July 1, 2025). The article contains 0 references and 10 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that language version.

Since the creation of article "Unitärer Operator", its content was written by 10 registered users of German Wikipedia and edited by 255 registered Wikipedia users in all languages.

The article is cited 68 times in German Wikipedia and cited 1365 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #43236 in October 2017
  • Global: #35254 in May 2003

The highest popularity rank from 2008:

  • Local (German): #84195 in May 2022
  • Global: #171864 in June 2021

There are 18 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
1English (en)
Unitary operator
19.0076
2Chinese (zh)
幺正算符
17.7848
3Ukrainian (uk)
Унітарний оператор
15.5127
4Catalan (ca)
Operador unitari
14.9323
5German (de)
Unitärer Operator
11.5092
6Italian (it)
Operatore unitario
9.4875
7Kazakh (kk)
Унитар оператор
9.4685
8Japanese (ja)
ユニタリ作用素
8.7137
9Hebrew (he)
אופרטור אוניטרי
6.9045
10Russian (ru)
Унитарный оператор
6.4644
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 "Unitärer Operator" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Unitary operator
883 139
2Russian (ru)
Унитарный оператор
162 699
3Japanese (ja)
ユニタリ作用素
122 617
4German (de)
Unitärer Operator
114 730
5Hebrew (he)
אופרטור אוניטרי
81 125
6Spanish (es)
Operador unitario
64 864
7Chinese (zh)
幺正算符
63 188
8Italian (it)
Operatore unitario
58 700
9French (fr)
Opérateur unitaire
39 497
10Polish (pl)
Operator unitarny
30 491
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 "Unitärer Operator" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Unitary operator
4 069
2Russian (ru)
Унитарный оператор
748
3German (de)
Unitärer Operator
571
4Chinese (zh)
幺正算符
487
5Japanese (ja)
ユニタリ作用素
388
6Hebrew (he)
אופרטור אוניטרי
320
7Italian (it)
Operatore unitario
250
8Spanish (es)
Operador unitario
156
9French (fr)
Opérateur unitaire
115
10Polish (pl)
Operator unitarny
108
More...

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

The highest AI

Language versions of the article "Unitärer Operator" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Unitary operator
53
2Hebrew (he)
אופרטור אוניטרי
27
3Italian (it)
Operatore unitario
23
4Japanese (ja)
ユニタリ作用素
23
5Russian (ru)
Унитарный оператор
22
6French (fr)
Opérateur unitaire
17
7Chinese (zh)
幺正算符
16
8Polish (pl)
Operator unitarny
11
9German (de)
Unitärer Operator
10
10Spanish (es)
Operador unitario
10
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 "Unitärer Operator" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Ukrainian (uk)
Унітарний оператор
1
2Catalan (ca)
Operador unitari
0
3Czech (cs)
Unitární operátor
0
4German (de)
Unitärer Operator
0
5English (en)
Unitary operator
0
6Esperanto (eo)
Unita operatoro
0
7Spanish (es)
Operador unitario
0
8French (fr)
Opérateur unitaire
0
9Hebrew (he)
אופרטור אוניטרי
0
10Italian (it)
Operatore unitario
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 "Unitärer Operator" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Unitary operator
574
2Chinese (zh)
幺正算符
135
3Japanese (ja)
ユニタリ作用素
103
4Hebrew (he)
אופרטור אוניטרי
99
5German (de)
Unitärer Operator
68
6Russian (ru)
Унитарный оператор
64
7Korean (ko)
유니터리 작용소
54
8Ukrainian (uk)
Унітарний оператор
49
9Italian (it)
Operatore unitario
44
10French (fr)
Opérateur unitaire
41
More...

Scores

Estimated value for Wikipedia:
German:
Global:
Popularity in June 2025:
German:
Global:
Popularity in all years:
German:
Global:
Authors in June 2025:
German:
Global:
Registered authors in all years:
German:
Global:
Citations:
German:
Global:

Quality measures

Interwikis

#LanguageValue
caCatalan
Operador unitari
csCzech
Unitární operátor
deGerman
Unitärer Operator
enEnglish
Unitary operator
eoEsperanto
Unita operatoro
esSpanish
Operador unitario
frFrench
Opérateur unitaire
heHebrew
אופרטור אוניטרי
itItalian
Operatore unitario
jaJapanese
ユニタリ作用素
kkKazakh
Унитар оператор
koKorean
유니터리 작용소
nlDutch
Unitaire operator
plPolish
Operator unitarny
ptPortuguese
Operador unitário
ruRussian
Унитарный оператор
ukUkrainian
Унітарний оператор
zhChinese
幺正算符

Popularity rank trends

Best Rank German:
#84195
05.2022
Global:
#171864
06.2021

AI rank trends

Best Rank German:
#43236
10.2017
Global:
#35254
05.2003

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Unitary operator from Wikipedia articles about Unitarity, Parsevals theorem, Unitary representation, Quantum gate and Black hole information paradox. Whereas reading the article about Unitary operator people most often go to Wikipedia articles on Hermitian adjoint, Hilbert space, Surjective function, Unitary matrix and Bounded operator.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

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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