Integral singular

pt

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Integral singular

Quality:

Singular integral - integral operator whose kernel is singular along the diagonal. Article “Integral singular” in Portuguese Wikipedia has 18.6 points for quality (as of July 1, 2025). The article contains 3 references and 10 sections.

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

Since the creation of article “Integral singular”, its content was written by 3 registered users of Portuguese Wikipedia and edited by 43 registered Wikipedia users in all languages.

The article is cited 8 times in Portuguese Wikipedia and cited 81 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Portuguese): #45948 in January 2024
  • Global: #171204 in April 2008

The highest popularity rank from 2008:

  • Local (Portuguese): #373888 in September 2018
  • Global: #794236 in November 2010

There are 4 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)
Singular integral
24.7837
2Portuguese (pt)
Integral singular
18.5978
3Catalan (ca)
Integral singular
18.0877
4Chinese (zh)
奇異積分
8.9969
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 "Integral singular" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Singular integral
191 125
2Chinese (zh)
奇異積分
5 363
3Portuguese (pt)
Integral singular
1 107
4Catalan (ca)
Integral singular
28
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 "Integral singular" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Singular integral
894
2Chinese (zh)
奇異積分
63
3Portuguese (pt)
Integral singular
9
4Catalan (ca)
Integral singular
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 "Integral singular" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Singular integral
36
2Portuguese (pt)
Integral singular
3
3Chinese (zh)
奇異積分
3
4Catalan (ca)
Integral singular
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 "Integral singular" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Chinese (zh)
奇異積分
1
2Catalan (ca)
Integral singular
0
3English (en)
Singular integral
0
4Portuguese (pt)
Integral singular
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 "Integral singular" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Singular integral
62
2Portuguese (pt)
Integral singular
8
3Chinese (zh)
奇異積分
7
4Catalan (ca)
Integral singular
4
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
caCatalan
Integral singular
enEnglish
Singular integral
ptPortuguese
Integral singular
zhChinese
奇異積分

Popularity rank trends

Best Rank Portuguese:
#373888
09.2018
Global:
#794236
11.2010

AI rank trends

Best Rank Portuguese:
#45948
01.2024
Global:
#171204
04.2008

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Singular integral from Wikipedia articles about Hilbert transform, Alberto Calderón, Antoni Zygmund, Pseudo-differential operator and Calderón–Zygmund lemma. Whereas reading the article about Singular integral people most often go to Wikipedia articles on Mathematical singularity, Hilbert transform, Singular integral operator on a closed curve, Singular integral operators of convolution type and Harmonic analysis.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 28 January 2026

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In Portuguese Wikipedia the most popular articles on that day were: Lucas Paquetá, Vírus Nipah, Nilton César, Gerardo Renault, Campeonato Brasileiro de Futebol de 2026 - Série B, Fernando Mamede, António José Seguro, Big Brother Brasil 26, Trace Brasil, Relógio do Juízo Final.

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