Thomae's function

Thomae's function - function that is discontinuous at rationals and continuous at irrationals. Article “Thomae's function” in English Wikipedia has 26.8 points for quality (as of July 1, 2026). The article contains 9 references and 8 sections.

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

Since the creation of article “Thomae's function”, its content was written by 102 registered users of English Wikipedia and edited by 292 registered Wikipedia users in all languages.

The article is cited 16 times in English Wikipedia and cited 164 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #46635 in September 2021
• Global: #60873 in February 2006

The highest popularity rank from 2008:

• Local (English): #72823 in March 2023
• Global: #107289 in March 2023

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, 2026 (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	Polish (pl) Funkcja Thomae		35.588
2	Persian (fa) تابع توما		28.7826
3	English (en) Thomae's function		26.8391
4	Portuguese (pt) Função de Thomae		21.3123
5	Russian (ru) Функция Римана (ТФДП)		21.1472
6	French (fr) Fonction de Thomae		18.5205
7	Japanese (ja) トマエ関数		14.8406
8	Galician (gl) Función de Thomae		13.9818
9	Spanish (es) Función de Thomae		12.8928
10	Swedish (sv) Thomaes funktion		12.844

More...

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

The most popular language versions of the article "Thomae's function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Thomae's function		618 659
2	German (de) Thomaesche Funktion		69 157
3	Hebrew (he) פונקציית רימן		61 475
4	Russian (ru) Функция Римана (ТФДП)		51 573
5	Spanish (es) Función de Thomae		45 329
6	Polish (pl) Funkcja Thomae		40 234
7	French (fr) Fonction de Thomae		33 863
8	Korean (ko) 토메 함수		22 584
9	Czech (cs) Riemannova funkce		18 448
10	Italian (it) Funzione di Thomae		17 140

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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 "Thomae's function" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Thomae's function		1 950
2	Russian (ru) Функция Римана (ТФДП)		246
3	Japanese (ja) トマエ関数		186
4	Hebrew (he) פונקציית רימן		138
5	Korean (ko) 토메 함수		121
6	German (de) Thomaesche Funktion		91
7	French (fr) Fonction de Thomae		86
8	Polish (pl) Funkcja Thomae		80
9	Italian (it) Funzione di Thomae		56
10	Czech (cs) Riemannova funkce		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 "Thomae's function" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Thomae's function		102
2	German (de) Thomaesche Funktion		48
3	French (fr) Fonction de Thomae		27
4	Hebrew (he) פונקציית רימן		24
5	Polish (pl) Funkcja Thomae		19
6	Italian (it) Funzione di Thomae		16
7	Czech (cs) Riemannova funkce		9
8	Japanese (ja) トマエ関数		9
9	Swedish (sv) Thomaes funktion		7
10	Spanish (es) Función de Thomae		5

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

Language versions of the article "Thomae's function" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Japanese (ja) トマエ関数		2
2	Bulgarian (bg) Функция на Риман (теория на функциите на една реална променлива)		0
3	Czech (cs) Riemannova funkce		0
4	German (de) Thomaesche Funktion		0
5	English (en) Thomae's function		0
6	Spanish (es) Función de Thomae		0
7	Persian (fa) تابع توما		0
8	French (fr) Fonction de Thomae		0
9	Galician (gl) Función de Thomae		0
10	Hebrew (he) פונקציית רימן		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 "Thomae's function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Polish (pl) Funkcja Thomae		43
2	Swedish (sv) Thomaes funktion		39
3	English (en) Thomae's function		16
4	French (fr) Fonction de Thomae		11
5	German (de) Thomaesche Funktion		10
6	Hebrew (he) פונקציית רימן		8
7	Japanese (ja) トマエ関数		7
8	Russian (ru) Функция Римана (ТФДП)		6
9	Czech (cs) Riemannova funkce		4
10	Korean (ko) 토메 함수		4

More...

#	Language	Value
bg	Bulgarian Функция на Риман (теория на функциите на една реална променлива)
cs	Czech Riemannova funkce
de	German Thomaesche Funktion
en	English Thomae's function
es	Spanish Función de Thomae
fa	Persian تابع توما
fr	French Fonction de Thomae
gl	Galician Función de Thomae
he	Hebrew פונקציית רימן
it	Italian Funzione di Thomae
ja	Japanese トマエ関数
ko	Korean 토메 함수
pl	Polish Funkcja Thomae
pt	Portuguese Função de Thomae
ru	Russian Функция Римана (ТФДП)
sk	Slovak Riemannova funkcia
sv	Swedish Thomaes funktion
uk	Ukrainian Функція Томе

Best Rank

English: #72823 03.2023

Global: #107289 03.2023

Best Rank

English: #46635 09.2021

Global: #60873 02.2006

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information