Dirac bracket

en

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Dirac bracket

Quality:

Dirac bracket - quantization method for constrained Hamiltonian systems with second-class constraints. Article “Dirac bracket” in English Wikipedia has 32.5 points for quality (as of July 1, 2025). The article contains 8 references and 12 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 “Dirac bracket”, its content was written by 35 registered users of English Wikipedia and edited by 54 registered Wikipedia users in all languages.

The article is cited 11 times in English Wikipedia and cited 61 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #37961 in November 2013
  • Global: #98305 in November 2013

The highest popularity rank from 2008:

  • Local (English): #628627 in October 2008
  • Global: #1025927 in October 2008

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
1English (en)
Dirac bracket
32.5417
2Catalan (ca)
Claudàtor de Dirac
23.5738
3Spanish (es)
Corchete de Dirac
17.7563
4Korean (ko)
디랙 괄호
17.1985
5Italian (it)
Parentesi di Dirac
8.0341
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 "Dirac bracket" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Dirac bracket
136 219
2Spanish (es)
Corchete de Dirac
9 833
3Italian (it)
Parentesi di Dirac
5 437
4Korean (ko)
디랙 괄호
4 579
5Catalan (ca)
Claudàtor de Dirac
60
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 "Dirac bracket" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Dirac bracket
747
2Spanish (es)
Corchete de Dirac
69
3Italian (it)
Parentesi di Dirac
14
4Catalan (ca)
Claudàtor de Dirac
6
5Korean (ko)
디랙 괄호
5
More...

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

The highest AI

Language versions of the article "Dirac bracket" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Dirac bracket
35
2Italian (it)
Parentesi di Dirac
8
3Spanish (es)
Corchete de Dirac
7
4Korean (ko)
디랙 괄호
3
5Catalan (ca)
Claudàtor de Dirac
1
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 "Dirac bracket" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Italian (it)
Parentesi di Dirac
1
2Catalan (ca)
Claudàtor de Dirac
0
3English (en)
Dirac bracket
0
4Spanish (es)
Corchete de Dirac
0
5Korean (ko)
디랙 괄호
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 "Dirac bracket" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Korean (ko)
디랙 괄호
46
2English (en)
Dirac bracket
11
3Italian (it)
Parentesi di Dirac
2
4Catalan (ca)
Claudàtor de Dirac
1
5Spanish (es)
Corchete de Dirac
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
Claudàtor de Dirac
enEnglish
Dirac bracket
esSpanish
Corchete de Dirac
itItalian
Parentesi di Dirac
koKorean
디랙 괄호

Popularity rank trends

Best Rank English:
#628627
10.2008
Global:
#1025927
10.2008

AI rank trends

Best Rank English:
#37961
11.2013
Global:
#98305
11.2013

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Dirac bracket from Wikipedia articles about Paul Dirac, Poisson bracket, First class constraint, Canonical quantization and Moyal bracket. Whereas reading the article about Dirac bracket people most often go to Wikipedia articles on First class constraint, Poisson bracket, Bra–ket notation, Canonical quantization and Holonomic constraints.

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