Zweite Fundamentalform

de

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Zweite Fundamentalform

Quality:

Second fundamental form - quadratic form related to curvatures of surfaces. Article “Zweite Fundamentalform” in German Wikipedia has 17.6 points for quality (as of July 1, 2025). The article contains 1 references and 13 sections.

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

Since the creation of article “Zweite Fundamentalform”, its content was written by 14 registered users of German Wikipedia and edited by 111 registered Wikipedia users in all languages.

The article is cited 16 times in German Wikipedia and cited 232 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (German): #24383 in October 2008
  • Global: #73367 in May 2004

The highest popularity rank from 2008:

  • Local (German): #16181 in August 2014
  • Global: #209320 in August 2014

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
1Greek (el)
Δεύτερη θεμελιώδης μορφή
26.0301
2English (en)
Second fundamental form
19.5704
3Chinese (zh)
第二基本形式
18.4807
4German (de)
Zweite Fundamentalform
17.613
5Russian (ru)
Вторая квадратичная форма
17.5257
6Catalan (ca)
Segona forma fonamental
15.8357
7Hebrew (he)
התבנית היסודית השנייה
11.7099
8French (fr)
Seconde forme fondamentale
10.8732
9Japanese (ja)
第二基本形式
8.9393
10Korean (ko)
제2 기본 형식
5.4505
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 "Zweite Fundamentalform" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Second fundamental form
430 459
2Russian (ru)
Вторая квадратичная форма
84 297
3German (de)
Zweite Fundamentalform
76 291
4French (fr)
Seconde forme fondamentale
29 469
5Chinese (zh)
第二基本形式
25 328
6Korean (ko)
제2 기본 형식
6 747
7Japanese (ja)
第二基本形式
6 373
8Ukrainian (uk)
Друга квадратична форма
3 151
9Hungarian (hu)
Gauss-féle második alapmennyiség
672
10Hebrew (he)
התבנית היסודית השנייה
235
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 "Zweite Fundamentalform" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Second fundamental form
2 270
2Russian (ru)
Вторая квадратичная форма
454
3German (de)
Zweite Fundamentalform
167
4Japanese (ja)
第二基本形式
132
5French (fr)
Seconde forme fondamentale
125
6Chinese (zh)
第二基本形式
116
7Korean (ko)
제2 기본 형식
39
8Hebrew (he)
התבנית היסודית השנייה
22
9Hungarian (hu)
Gauss-féle második alapmennyiség
18
10Catalan (ca)
Segona forma fonamental
13
More...

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

The highest AI

Language versions of the article "Zweite Fundamentalform" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Second fundamental form
39
2French (fr)
Seconde forme fondamentale
20
3German (de)
Zweite Fundamentalform
14
4Russian (ru)
Вторая квадратичная форма
12
5Ukrainian (uk)
Друга квадратична форма
7
6Hebrew (he)
התבנית היסודית השנייה
4
7Hungarian (hu)
Gauss-féle második alapmennyiség
4
8Japanese (ja)
第二基本形式
4
9Chinese (zh)
第二基本形式
3
10Greek (el)
Δεύτερη θεμελιώδης μορφή
2
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 "Zweite Fundamentalform" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Greek (el)
Δεύτερη θεμελιώδης μορφή
1
2French (fr)
Seconde forme fondamentale
1
3Catalan (ca)
Segona forma fonamental
0
4German (de)
Zweite Fundamentalform
0
5English (en)
Second fundamental form
0
6Hebrew (he)
התבנית היסודית השנייה
0
7Hungarian (hu)
Gauss-féle második alapmennyiség
0
8Japanese (ja)
第二基本形式
0
9Korean (ko)
제2 기본 형식
0
10Russian (ru)
Вторая квадратичная форма
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 "Zweite Fundamentalform" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Second fundamental form
70
2Russian (ru)
Вторая квадратичная форма
49
3French (fr)
Seconde forme fondamentale
30
4Chinese (zh)
第二基本形式
20
5German (de)
Zweite Fundamentalform
16
6Japanese (ja)
第二基本形式
15
7Ukrainian (uk)
Друга квадратична форма
11
8Korean (ko)
제2 기본 형식
9
9Hebrew (he)
התבנית היסודית השנייה
5
10Catalan (ca)
Segona forma fonamental
4
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
caCatalan
Segona forma fonamental
deGerman
Zweite Fundamentalform
elGreek
Δεύτερη θεμελιώδης μορφή
enEnglish
Second fundamental form
frFrench
Seconde forme fondamentale
heHebrew
התבנית היסודית השנייה
huHungarian
Gauss-féle második alapmennyiség
jaJapanese
第二基本形式
koKorean
제2 기본 형식
ruRussian
Вторая квадратичная форма
ukUkrainian
Друга квадратична форма
zhChinese
第二基本形式

Popularity rank trends

Best Rank German:
#16181
08.2014
Global:
#209320
08.2014

AI rank trends

Best Rank German:
#24383
10.2008
Global:
#73367
05.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Second fundamental form from Wikipedia articles about First fundamental form, Principal curvature, Gaussian curvature, Theorema Egregium and Curvature. Whereas reading the article about Second fundamental form people most often go to Wikipedia articles on First fundamental form, Differential geometry of surfaces, Gauss–Codazzi equations, Third fundamental form and Gauss map.

Cumulative results of quality and popularity of the Wikipedia article

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

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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