中山正

ja

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中山正

Quality:

Tadashi Nakayama - Japanese mathematician (1912-1964). Article “中山正” in Japanese Wikipedia has 23.4 points for quality (as of July 1, 2025). The article contains 13 references and 10 sections.

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

Since the creation of article “中山正”, its content was written by 20 registered users of Japanese Wikipedia and edited by 86 registered Wikipedia users in all languages.

The article is cited 21 times in Japanese Wikipedia and cited 78 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #24365 in March 2010
  • Global: #164220 in March 2009

The highest popularity rank from 2008:

  • Local (Japanese): #304574 in July 2021
  • Global: #1450953 in March 2010

There are 8 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
1Arabic (ar)
تاداشي ناكاياما
23.4292
2Japanese (ja)
中山正
23.3766
3Catalan (ca)
Tadasi Nakayama
20.5024
4German (de)
Tadashi Nakayama
19.3026
5Russian (ru)
Накаяма, Тадаси
13.0297
6English (en)
Tadashi Nakayama (mathematician)
7.1794
7Korean (ko)
나카야마 다다시
4.4062
8Dutch (nl)
Tadashi Nakayama
2.1635
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 "中山正" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Tadashi Nakayama (mathematician)
40 425
2Japanese (ja)
中山正
32 528
3German (de)
Tadashi Nakayama
7 998
4Russian (ru)
Накаяма, Тадаси
7 140
5Dutch (nl)
Tadashi Nakayama
1 472
6Korean (ko)
나카야마 다다시
1 250
7Arabic (ar)
تاداشي ناكاياما
188
8Catalan (ca)
Tadasi Nakayama
81
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 "中山正" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Tadashi Nakayama (mathematician)
248
2Japanese (ja)
中山正
223
3German (de)
Tadashi Nakayama
39
4Russian (ru)
Накаяма, Тадаси
13
5Korean (ko)
나카야마 다다시
9
6Arabic (ar)
تاداشي ناكاياما
6
7Catalan (ca)
Tadasi Nakayama
2
8Dutch (nl)
Tadashi Nakayama
2
More...

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

The highest AI

Language versions of the article "中山正" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Tadashi Nakayama
25
2English (en)
Tadashi Nakayama (mathematician)
22
3Japanese (ja)
中山正
20
4Russian (ru)
Накаяма, Тадаси
8
5Dutch (nl)
Tadashi Nakayama
6
6Catalan (ca)
Tadasi Nakayama
3
7Korean (ko)
나카야마 다다시
2
8Arabic (ar)
تاداشي ناكاياما
0
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 "中山正" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Arabic (ar)
تاداشي ناكاياما
0
2Catalan (ca)
Tadasi Nakayama
0
3German (de)
Tadashi Nakayama
0
4English (en)
Tadashi Nakayama (mathematician)
0
5Japanese (ja)
中山正
0
6Korean (ko)
나카야마 다다시
0
7Dutch (nl)
Tadashi Nakayama
0
8Russian (ru)
Накаяма, Тадаси
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 "中山正" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
中山正
21
2English (en)
Tadashi Nakayama (mathematician)
18
3German (de)
Tadashi Nakayama
14
4Russian (ru)
Накаяма, Тадаси
9
5Korean (ko)
나카야마 다다시
7
6Catalan (ca)
Tadasi Nakayama
5
7Arabic (ar)
تاداشي ناكاياما
3
8Dutch (nl)
Tadashi Nakayama
1
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
تاداشي ناكاياما
caCatalan
Tadasi Nakayama
deGerman
Tadashi Nakayama
enEnglish
Tadashi Nakayama (mathematician)
jaJapanese
中山正
koKorean
나카야마 다다시
nlDutch
Tadashi Nakayama
ruRussian
Накаяма, Тадаси

Popularity rank trends

Best Rank Japanese:
#304574
07.2021
Global:
#1450953
03.2010

AI rank trends

Best Rank Japanese:
#24365
03.2010
Global:
#164220
03.2009

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Tadashi Nakayama from Wikipedia articles about Nakayama lemma, Institute for Advanced Study, Masayoshi Nagata, Teiji Takagi and André Weil. Whereas reading the article about Tadashi Nakayama people most often go to Wikipedia articles on Nakayama lemma, Nakayamas conjecture, Masatake Kuranishi, Masayoshi Nagata and Institute for Advanced Study.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 16 March 2026

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

In Japanese Wikipedia the most popular articles on that day were: 小泉八雲, 同志社国際中学校・高等学校, 若嶋津六夫, 伊藤大海 (野球), 高橋成美, 井端弘和, 太田裕二, ワールド・ベースボール・クラシック, 高田みづえ, 尾崎将司.

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