Filter (mathematics)

Filter - in order theory, a nonempty, downward‐directed, upward‐closed subset of a preordered set. Article "Filter (mathematics)" in English Wikipedia has 37.6 points for quality (as of July 1, 2025). The article contains 14 references and 15 sections. The article also contains quality flaw template, which reduce quality score.

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

In June 2025 the article "Filter (mathematics)" was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article "Filter (mathematics)", its content was written by 134 registered users of English Wikipedia and edited by 500 registered Wikipedia users in all languages.

The article is cited 179 times in English Wikipedia and cited 741 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #1299 in August 2001
• Global: #1404 in August 2001

The highest popularity rank from 2008:

• Local (English): #253820 in November 2017
• Global: #230652 in May 2008

There are 20 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.

#	Language	Quality grade	Quality score
1	English (en) Filter (mathematics)		37.5783
2	French (fr) Filtre (mathématiques)		36.4835
3	German (de) Filter (Mathematik)		32.8671
4	Korean (ko) 필터 (수학)		31.3119
5	Chinese (zh) 滤子 (数学)		29.2336
6	Polish (pl) Filtr (matematyka)		25.6322
7	Hebrew (he) מסנן (מתמטיקה)		19.4054
8	Russian (ru) Фильтр (математика)		17.7939
9	Japanese (ja) フィルター (数学)		16.786
10	Dutch (nl) Filter (wiskunde)		13.5726

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Filter (mathematics)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Filter (mathematics)		445 390
2	French (fr) Filtre (mathématiques)		106 059
3	German (de) Filter (Mathematik)		104 821
4	Japanese (ja) フィルター (数学)		89 636
5	Russian (ru) Фильтр (математика)		58 371
6	Polish (pl) Filtr (matematyka)		55 718
7	Italian (it) Filtro (matematica)		51 664
8	Spanish (es) Filtro (matemáticas)		45 452
9	Chinese (zh) 滤子 (数学)		38 460
10	Korean (ko) 필터 (수학)		14 112

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

The most popular language versions of the article "Filter (mathematics)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Filter (mathematics)		2 624
2	Japanese (ja) フィルター (数学)		501
3	French (fr) Filtre (mathématiques)		427
4	Russian (ru) Фильтр (математика)		332
5	German (de) Filter (Mathematik)		225
6	Chinese (zh) 滤子 (数学)		202
7	Italian (it) Filtro (matematica)		171
8	Spanish (es) Filtro (matemáticas)		85
9	Korean (ko) 필터 (수학)		83
10	Polish (pl) Filtr (matematyka)		54

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

Language versions of the article "Filter (mathematics)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Filter (mathematics)		134
2	French (fr) Filtre (mathématiques)		79
3	German (de) Filter (Mathematik)		64
4	Italian (it) Filtro (matematica)		44
5	Russian (ru) Фильтр (математика)		29
6	Spanish (es) Filtro (matemáticas)		24
7	Polish (pl) Filtr (matematyka)		24
8	Japanese (ja) フィルター (数学)		20
9	Dutch (nl) Filter (wiskunde)		16
10	Chinese (zh) 滤子 (数学)		14

More...

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

Language versions of the article "Filter (mathematics)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Filter (mathematics)		1
2	Catalan (ca) Filtre (matemàtiques)		0
3	Czech (cs) Filtr (matematika)		0
4	German (de) Filter (Mathematik)		0
5	Spanish (es) Filtro (matemáticas)		0
6	Estonian (et) Filter (matemaatika)		0
7	Finnish (fi) Suodatin (joukko-oppi)		0
8	French (fr) Filtre (mathématiques)		0
9	Hebrew (he) מסנן (מתמטיקה)		0
10	Hungarian (hu) Szűrő (matematika)		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Filter (mathematics)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Filter (mathematics)		179
2	Korean (ko) 필터 (수학)		83
3	Ukrainian (uk) Фільтр (порядок)		72
4	German (de) Filter (Mathematik)		61
5	Polish (pl) Filtr (matematyka)		61
6	French (fr) Filtre (mathématiques)		60
7	Chinese (zh) 滤子 (数学)		46
8	Japanese (ja) フィルター (数学)		38
9	Spanish (es) Filtro (matemáticas)		29
10	Czech (cs) Filtr (matematika)		23

More...

#	Language	Value
ca	Catalan Filtre (matemàtiques)
cs	Czech Filtr (matematika)
de	German Filter (Mathematik)
en	English Filter (mathematics)
es	Spanish Filtro (matemáticas)
et	Estonian Filter (matemaatika)
fi	Finnish Suodatin (joukko-oppi)
fr	French Filtre (mathématiques)
he	Hebrew מסנן (מתמטיקה)
hu	Hungarian Szűrő (matematika)
it	Italian Filtro (matematica)
ja	Japanese フィルター (数学)
ko	Korean 필터 (수학)
nl	Dutch Filter (wiskunde)
pl	Polish Filtr (matematyka)
pt	Portuguese Filtro (teoria dos conjuntos)
ru	Russian Фильтр (математика)
sr	Serbian Filter (matematika)
uk	Ukrainian Фільтр (порядок)
zh	Chinese 滤子 (数学)

Best Rank

English: #253820 11.2017

Global: #230652 05.2008

Best Rank

English: #1299 08.2001

Global: #1404 08.2001

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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