Spazio di Hilbert

Hilbert space - inner product space that is metrically complete; a Banach space whose norm induces an inner product (follows the parallelogram identity). Article “Spazio di Hilbert” in Italian Wikipedia has 22.3 points for quality (as of July 1, 2025). The article contains 6 references and 15 sections.

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

In June 2025 the article “Spazio di Hilbert” was edited by 1 authors in Italian Wikipedia and written by 5 authors in all languages.

Since the creation of article “Spazio di Hilbert”, its content was written by 88 registered users of Italian Wikipedia and edited by 1584 registered Wikipedia users in all languages.

The article is cited 266 times in Italian Wikipedia and cited 5745 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #2458 in June 2006
• Global: #31 in May 2003

The highest popularity rank from 2008:

• Local (Italian): #15336 in February 2008
• Global: #18201 in October 2017

There are 44 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) Hilbert space		87.0707
2	Greek (el) Χώρος Χίλμπερτ		72.5329
3	Indonesian (id) Ruang Hilbert		61.6316
4	Japanese (ja) ヒルベルト空間		57.7461
5	Dutch (nl) Hilbertruimte		50.8316
6	Chinese (zh) 希尔伯特空间		49.6319
7	Catalan (ca) Espai de Hilbert		33.7904
8	Vietnamese (vi) Không gian Hilbert		31.5431
9	Arabic (ar) فضاء هيلبرت		28.6673
10	Hungarian (hu) Hilbert-tér		28.3127

More...

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

The most popular language versions of the article "Spazio di Hilbert" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Hilbert space		6 122 728
2	German (de) Hilbertraum		1 050 864
3	Russian (ru) Гильбертово пространство		875 798
4	French (fr) Espace de Hilbert		717 143
5	Spanish (es) Espacio de Hilbert		656 991
6	Japanese (ja) ヒルベルト空間		617 013
7	Italian (it) Spazio di Hilbert		562 448
8	Chinese (zh) 希尔伯特空间		436 504
9	Polish (pl) Przestrzeń Hilberta		341 154
10	Portuguese (pt) Espaço de Hilbert		132 694

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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 "Spazio di Hilbert" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Hilbert space		30 562
2	Russian (ru) Гильбертово пространство		4 046
3	German (de) Hilbertraum		3 813
4	French (fr) Espace de Hilbert		2 879
5	Japanese (ja) ヒルベルト空間		2 726
6	Italian (it) Spazio di Hilbert		2 653
7	Spanish (es) Espacio de Hilbert		2 493
8	Chinese (zh) 希尔伯特空间		1 814
9	Polish (pl) Przestrzeń Hilberta		1 162
10	Portuguese (pt) Espaço de Hilbert		787

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

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

#	Language	AI award	Relative AI
1	English (en) Hilbert space		376
2	German (de) Hilbertraum		152
3	French (fr) Espace de Hilbert		103
4	Italian (it) Spazio di Hilbert		88
5	Russian (ru) Гильбертово пространство		77
6	Japanese (ja) ヒルベルト空間		68
7	Dutch (nl) Hilbertruimte		56
8	Chinese (zh) 希尔伯特空间		51
9	Hungarian (hu) Hilbert-tér		45
10	Polish (pl) Przestrzeń Hilberta		41

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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 "Spazio di Hilbert" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Hungarian (hu) Hilbert-tér		2
2	German (de) Hilbertraum		1
3	Italian (it) Spazio di Hilbert		1
4	Romanian (ro) Spațiu Hilbert		1
5	Arabic (ar) فضاء هيلبرت		0
6	Azerbaijani (az) Hilbert fəzası		0
7	Bulgarian (bg) Хилбертово пространство		0
8	Catalan (ca) Espai de Hilbert		0
9	Czech (cs) Hilbertův prostor		0
10	Danish (da) Hilbertrum		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 "Spazio di Hilbert" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Hilbert space		1 298
2	German (de) Hilbertraum		427
3	French (fr) Espace de Hilbert		407
4	Japanese (ja) ヒルベルト空間		313
5	Spanish (es) Espacio de Hilbert		293
6	Italian (it) Spazio di Hilbert		266
7	Chinese (zh) 希尔伯特空间		260
8	Russian (ru) Гильбертово пространство		230
9	Ukrainian (uk) Гільбертів простір		217
10	Korean (ko) 힐베르트 공간		214

More...

#	Language	Value
ar	Arabic فضاء هيلبرت
az	Azerbaijani Hilbert fəzası
bg	Bulgarian Хилбертово пространство
ca	Catalan Espai de Hilbert
cs	Czech Hilbertův prostor
da	Danish Hilbertrum
de	German Hilbertraum
el	Greek Χώρος Χίλμπερτ
en	English Hilbert space
eo	Esperanto Hilberta spaco
es	Spanish Espacio de Hilbert
et	Estonian Hilberti ruum
eu	Basque Hilberten espazio
fa	Persian فضای هیلبرت
fi	Finnish Hilbertin avaruus
fr	French Espace de Hilbert
gl	Galician Espazo de Hilbert
he	Hebrew מרחב הילברט
hu	Hungarian Hilbert-tér
hy	Armenian Հիլբերտյան տարածություն
id	Indonesian Ruang Hilbert
it	Italian Spazio di Hilbert
ja	Japanese ヒルベルト空間
ko	Korean 힐베르트 공간
lt	Lithuanian Hilberto erdvė
ms	Malay Ruang Hilbert
nl	Dutch Hilbertruimte
nn	Norwegian (Nynorsk) Hilbertrom
no	Norwegian Hilbert-rom
pl	Polish Przestrzeń Hilberta
pt	Portuguese Espaço de Hilbert
ro	Romanian Spațiu Hilbert
ru	Russian Гильбертово пространство
sh	Serbo-Croatian Hilbertov prostor
simple	Simple English Hilbert space
sk	Slovak Hilbertov priestor
sl	Slovenian Hilbertov prostor
sr	Serbian Хилбертов простор
sv	Swedish Hilbertrum
tr	Turkish Hilbert uzayı
uk	Ukrainian Гільбертів простір
uz	Uzbek Gilbert fazosi
vi	Vietnamese Không gian Hilbert
zh	Chinese 希尔伯特空间

Best Rank

Italian: #15336 02.2008

Global: #18201 10.2017

Best Rank

Italian: #2458 06.2006

Global: #31 05.2003

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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