Centro (álgebra)

El término centro se utiliza en varios contextos en álgebra abstracta para denotar al conjunto de todos los elementos que conmutan con todos los demás. Más concretamente:

  • El centro de un grupo G, denotado por consiste en todos los elementos tales que .[1]​ El centro de un grupo es un subgrupo normal de ;
  • El centro de un anillo es el subconjunto de R formado por todos los elementos tales que para todo . El centro de un anillo es un subanillo conmutativo de , por lo que es un álgebra sobre su centro;
  • El centro de un álgebra asociativa es el conjunto formado por los elementos tales que para todo .[2]​ Véase también: álgebras centrales simples;
  • El centro de un álgebra de Lie L es el conjunto de los elementos tales que para todo . Este conjunto es un ideal de Lie de .

Referencias

  1. Álgebra moderna de Herstein
  2. <ref< Kostrikin. Introducción al álgebra

Read other articles:

Halte Sroyo Sroyo+14 m Bangunan Halte Sroyo, 2011LokasiMejuwet, Sumberejo, Bojonegoro, Jawa Timur 62191IndonesiaKoordinat7°9′42″S 112°2′28″E / 7.16167°S 112.04111°E / -7.16167; 112.04111Koordinat: 7°9′42″S 112°2′28″E / 7.16167°S 112.04111°E / -7.16167; 112.04111Ketinggian+14 mOperator Kereta Api IndonesiaDaerah Operasi VIII Surabaya Letakkm 144+176 lintas Gundih-Gambringan-Bojonegoro-Surabaya Pasarturi[1] Jumlah j...

 

Abdul Qadir HasanBiografiKelahiran1891 Kematian17 Juni 1978 (86/87 tahun)Tempat pemakamanMakam K.H. Abdul Qadir Hasan Data pribadiAgamaIslam KegiatanPekerjaanUlama Bekerja diPondok Pesantren Darussalam Martapura (1940–1959) K.H. Abdul Qadir Hasan adalah seorang ulama besar dari Kalimantan Selatan. Beliau dilahirkan di desa Tunggul Irang sekitar tahun 1891, ayahnya adalah Hasan Ahmad. K.H. Abdul Qadir Hasan terkenal dengan panggilan “Guru Tuha”. Dia pernah belajar agama di Pesantren ...

 

Election in Vermont Main article: 1984 United States presidential election 1984 United States presidential election in Vermont ← 1980 November 6, 1984 1988 →   Nominee Ronald Reagan Walter Mondale Party Republican Democratic Home state California Minnesota Running mate George H. W. Bush Geraldine Ferraro Electoral vote 3 0 Popular vote 135,865 95,730 Percentage 57.92% 40.81% County results Municipality results Reagan   40-50%  ...

Swedish operatic singer Louise Michaëli, 1871 Louise Charlotte Helene Michaëli, née Michal (17 May 1830 – 23 February 1875), was a Swedish opera singer. Michaëli made her debut at the Royal Swedish Opera in 1849. She studied under Julius Günther at the Opera in Stockholm and under Garcia in London. From 1852 to 1855, she was employed at the Opera in Stockholm. She toured Scandinavia, Germany, the Netherlands and London from 1855 to 1856. From 1859 to 1863, she was employed at Her Majes...

 

Leon CzolgoszLeon Czolgosz sekitar tahun 1900, fotografer tidak diketahuiLahirLeon Frank CzolgoszMay 5, 1873[1]Alpena, Michigan, ASMeninggal29 Oktober 1901(1901-10-29) (umur 28)Auburn, New York, ASPekerjaanBuruh bajaGugatan kejahatanFirst-degree murderHukuman kriminalHukuman mati memakai kursi listrikStatus kriminalDieksekusiOrang tuaPaul Czolgosz[2]Mary NowakMotifUntuk memajukan anarkismeAlasanPembunuhan Presiden William McKinley Leon Frank Czolgosz (bentuk Polandia: Cz...

 

Town and municipality in Šumadija and Western Serbia, SerbiaGornji Milanovac Горњи Милановац (Serbian)DespotovicaTown and municipality From top: Town center, The Old Court building, Takovski ustanak gymnasium, Takovski grm Memorial Complex, Church of Holy Trinity Coat of armsMotto(s): Време и моје право (Time and my right)Location of the municipality of Gornji Milanovac within SerbiaCoordinates: 44°01′27″N 20°27′36″E / 44.02417...

Yuan ShuFonctionEmpereur de ChineBiographieNaissance 155Xian de ShangshuiDécès Juillet 199AnhuiPrénom social 公路Activité Homme politiqueFamille Yuan-Familie (d)Père Yuan Feng (d)Fratrie Yuan Ji (d)Yuan ShaoEnfants Yuan (d)Yuan YaoParentèle Yuan Yin (cousin germain)modifier - modifier le code - modifier Wikidata Yuan Shu (155 - Juillet 199) fut un seigneur de la guerre de la fin de la dynastie chinoise des Han et de la période des Trois Royaumes, ainsi que le préfet de Nanyang....

 

Unione francese (dettagli) (dettagli) Motto: Liberté, Égalité, Fraternité Unione francese - Localizzazione Dati amministrativiNome ufficialeUnion française Lingue ufficialiFrancese Lingue parlatefrancese, arabo, vietnamita, khmer, wolof, sango, hindi, tahitiano InnoLa Marsigliese CapitaleParigi Dipendente da Francia PoliticaForma di StatoRepubblica Forma di governoQuarta Repubblica francese Président de la RépubliquePresidenti della Repubblica francese Président du Conseil des Ministr...

 

イスラームにおける結婚(イスラームにおけるけっこん)とは、二者の間で行われる法的な契約である。新郎新婦は自身の自由な意思で結婚に同意する。口頭または紙面での規則に従った拘束的な契約は、イスラームの結婚で不可欠だと考えられており、新郎と新婦の権利と責任の概要を示している[1]。イスラームにおける離婚は様々な形をとることができ、個�...

Вадим Шипачёв В составе «Ак Барса» в 2023 году Позиция центральный нападающий Рост 183 см[1] Вес 86 кг Хват левый[d] Страна  Россия Дата рождения 12 марта 1987(1987-03-12)[1] (37 лет) Место рождения Череповец, Вологодская область, РСФСР, СССР[1] Драфт НХЛ не выбирался �...

 

此條目可能包含不适用或被曲解的引用资料,部分内容的准确性无法被证實。 (2023年1月5日)请协助校核其中的错误以改善这篇条目。详情请参见条目的讨论页。 各国相关 主題列表 索引 国内生产总值 石油储量 国防预算 武装部队(军事) 官方语言 人口統計 人口密度 生育率 出生率 死亡率 自杀率 谋杀率 失业率 储蓄率 识字率 出口额 进口额 煤产量 发电量 监禁率 死刑 国债 ...

 

Area of East London For other uses, see Wanstead (disambiguation). Human settlement in EnglandWansteadWanstead drinking fountain, built to celebrate Queen Victoria’s diamond jubileeWansteadLocation within Greater LondonPopulation11,543 (2011 Census. Ward)[1]OS grid referenceTQ405885London boroughRedbridgeCeremonial countyGreater LondonRegionLondonCountryEnglandSovereign stateUnited KingdomPost townLONDONPostcode districtE11Dialling code020Poli...

37th Signal RegimentActive1967–presentCountry United KingdomBranch British ArmyRoleMilitary communicationsPart of1st (United Kingdom) DivisionRegimental HQRedditchCommandersHonorary ColonelMajor General Stephen PotterInsigniaRoyal Corps of Signals cap badgeTactical Recognition FlashMilitary unit 37th Signal Regiment (37 Sig Regt) is a military communications regiment of the Royal Corps of Signals, part of the British Army. History The regiment was formed as the 37th (Wessex ...

 

The Donnas. The Donnas adalah grup musik rock wanita Amerika Serikat dari Palo Alto, California.[1] Mereka mendapat inspirasi dari The Ramones, AC/DC, dan Kiss.[1][2] Setelah debut mereka pada Mei 1993, grup ini menerima keberhasilan komersial utama pada akhir 1990-an dan seterusnya.[2] Catatan kaki ^ a b The Donnas: Biography: Rolling Stone. Diarsipkan dari versi asli tanggal 2007-10-30. Diakses tanggal 2008-02-10.  ^ a b The Donnas | Music Artist | Video...

 

Film production and distribution company Opening logo, 1971 British Lion Films is a film production and distribution company active under several forms since 1919. Originally known as British Lion Film Corporation Ltd, it entered receivership on 1 June 1954.[1] From 29 January 1955[2] to 1976, the company was known as British Lion Films Ltd, and was a pure distribution company. British Lion was founded in November 1927 by Sam W. Smith (brother of Herbert Smith). By the end of ...

American writer (born 1938) This biography of a living person needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately from the article and its talk page, especially if potentially libelous.Find sources: Stewart Brand – news · newspapers · books · scholar · JSTOR (July 2023) (Learn how and when to remove this message) St...

 

Place in AndorraCanilloPlaça de Sant Serni and Carrer Major of Canillo. FlagCoat of armsCanilloLocation of Canillo town within AndorraCoordinates (Canillo town): 42°34′00″N 1°36′00″E / 42.56667°N 1.60000°E / 42.56667; 1.60000CountryAndorraParishesCanilloVillagesBordes d'Envalira, El Forn, El Tarter, El Vilar, Els Plans, Incles, L'Armiana, L'Aldosa, Meritxell, Molleres, Prats, Ransol, Sant Pere, SoldeuGovernment • MayorEnric Casadevall Medra...

 

Guinea ai Giochi olimpici Codice CIOGUI Comitato nazionaleComitato Olimpico Nazionale Guineano Cronologia olimpicaGiochi olimpici estivi 1968 · 1972 · 1976 · 1980 · 1984 · 1988 · 1992 · 1996 · 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024 Giochi olimpici invernali nessuna partecipazione La Guinea ha partecipato per la prima volta ai Giochi olimpici nel 1968. Gli atleti guineani non hanno mai vinto medaglie ai...

Мішель Єоангл. Michelle YeohПсевдоMichelle KhanНародилася6 серпня 1962(1962-08-06)[1][2][3] (62 роки)Іпох, Малайзія[4]Країна МалайзіяДіяльністьакторка, модель, учасниця конкурсу краси, кіноакторкаAlma materRoyal Academy of Danced і SMK Main Convent, IpohdЗнання мовкитайська[5], англі�...

 

大手町連鎖型都市再生プロジェクト > 大手町プレイス 大手町プレイス Otemachi PLACE情報用途 事務所、店舗、カンファレンスホール、地域冷暖房施設、駐車場等設計者 West: 日本設計 East: 大林組 施工 West: 竹中工務店 East: 大林組 建築主 West: NTT都市開発 East: 都市再生機構 事業主体 NTT都市開発、都市再生機構管理運営 NTTアーバンバリューサポート、JPビルマネジメント...