符号数

ja

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符号数

Quality:

Signature - number of positive, negative and zero eigenvalues of a metric tensor. Article “符号数” in Japanese Wikipedia has 13.2 points for quality (as of July 1, 2025). The article contains 2 references and 15 sections.

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

Since the creation of article “符号数”, its content was written by 7 registered users of Japanese Wikipedia and edited by 182 registered Wikipedia users in all languages.

The article is cited 24 times in Japanese Wikipedia and cited 505 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #11630 in July 2015
  • Global: #51037 in February 2004

The highest popularity rank from 2008:

  • Local (Japanese): #285237 in January 2020
  • Global: #399425 in July 2018

There are 12 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)
Metric signature
25.5716
2Catalan (ca)
Signatura mètrica
20.575
3German (de)
Signatur (Lineare Algebra)
18.6679
4Italian (it)
Segnatura (algebra lineare)
15.3449
5Hungarian (hu)
Szignatúra (lineáris algebra)
14.92
6Japanese (ja)
符号数
13.2352
7Portuguese (pt)
Assinatura métrica
8.7861
8Russian (ru)
Сигнатура (линейная алгебра)
5.4778
9Polish (pl)
Sygnatura metryki
3.9332
10Ukrainian (uk)
Сигнатура (лінійна алгебра)
3.9228
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 "符号数" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Metric signature
322 551
2Russian (ru)
Сигнатура (линейная алгебра)
92 096
3German (de)
Signatur (Lineare Algebra)
91 180
4Italian (it)
Segnatura (algebra lineare)
76 231
5Japanese (ja)
符号数
15 597
6Portuguese (pt)
Assinatura métrica
11 078
7Korean (ko)
계량 부호수
10 317
8Dutch (nl)
Signatuur (natuurkunde)
5 048
9Polish (pl)
Sygnatura metryki
1 977
10Ukrainian (uk)
Сигнатура (лінійна алгебра)
735
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 "符号数" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Metric signature
1 856
2German (de)
Signatur (Lineare Algebra)
445
3Russian (ru)
Сигнатура (линейная алгебра)
401
4Italian (it)
Segnatura (algebra lineare)
223
5Japanese (ja)
符号数
105
6Polish (pl)
Sygnatura metryki
28
7Portuguese (pt)
Assinatura métrica
27
8Hungarian (hu)
Szignatúra (lineáris algebra)
22
9Korean (ko)
계량 부호수
21
10Dutch (nl)
Signatuur (natuurkunde)
17
More...

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

The highest AI

Language versions of the article "符号数" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Metric signature
71
2German (de)
Signatur (Lineare Algebra)
38
3Italian (it)
Segnatura (algebra lineare)
25
4Russian (ru)
Сигнатура (линейная алгебра)
9
5Dutch (nl)
Signatuur (natuurkunde)
8
6Japanese (ja)
符号数
7
7Portuguese (pt)
Assinatura métrica
7
8Korean (ko)
계량 부호수
6
9Ukrainian (uk)
Сигнатура (лінійна алгебра)
4
10Hungarian (hu)
Szignatúra (lineáris algebra)
3
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 "符号数" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Russian (ru)
Сигнатура (линейная алгебра)
1
2Catalan (ca)
Signatura mètrica
0
3German (de)
Signatur (Lineare Algebra)
0
4English (en)
Metric signature
0
5Hungarian (hu)
Szignatúra (lineáris algebra)
0
6Italian (it)
Segnatura (algebra lineare)
0
7Japanese (ja)
符号数
0
8Korean (ko)
계량 부호수
0
9Dutch (nl)
Signatuur (natuurkunde)
0
10Polish (pl)
Sygnatura metryki
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 "符号数" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Metric signature
153
2Italian (it)
Segnatura (algebra lineare)
123
3German (de)
Signatur (Lineare Algebra)
51
4Korean (ko)
계량 부호수
43
5Russian (ru)
Сигнатура (линейная алгебра)
37
6Japanese (ja)
符号数
24
7Catalan (ca)
Signatura mètrica
22
8Portuguese (pt)
Assinatura métrica
15
9Ukrainian (uk)
Сигнатура (лінійна алгебра)
14
10Dutch (nl)
Signatuur (natuurkunde)
13
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
caCatalan
Signatura mètrica
deGerman
Signatur (Lineare Algebra)
enEnglish
Metric signature
huHungarian
Szignatúra (lineáris algebra)
itItalian
Segnatura (algebra lineare)
jaJapanese
符号数
koKorean
계량 부호수
nlDutch
Signatuur (natuurkunde)
plPolish
Sygnatura metryki
ptPortuguese
Assinatura métrica
ruRussian
Сигнатура (линейная алгебра)
ukUkrainian
Сигнатура (лінійна алгебра)

Popularity rank trends

Best Rank Japanese:
#285237
01.2020
Global:
#399425
07.2018

AI rank trends

Best Rank Japanese:
#11630
07.2015
Global:
#51037
02.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Signature from Wikipedia articles about Pseudo-Riemannian manifold, Minkowski spacetime, Sylvesters law of inertia, Metric tensor and Multiple time dimensions. Whereas reading the article about Signature people most often go to Wikipedia articles on Quadratic form, Sylvesters law of inertia, Metric tensor, Pseudo-Riemannian manifold and Minkowski spacetime.

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

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Japanese Wikipedia the most popular articles on that day were: 羽月隆太郎, 塩屋浩三, 大石晃子, 唐橋ユミ, ディアトロフ峠事件, 岩城滉一, 塩屋翼, M!LK, 濱正悟, 森下千里.

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