Ernst Leonard Lindelöf

Ernst Lindelöf
DoğumErnst Leonard Lindelöf
7 Mart 1870(1870-03-07)
Helsinki
Ölüm4 Haziran 1946 (76 yaşında)
Helsinki
Defin yeriHietaniemi mezarlığı (16-3-15)
60°10′10″K 24°55′4″D / 60.16944°K 24.91778°D / 60.16944; 24.91778
MilliyetFin
VatandaşlıkRusya İmparatorluğu, Finlandiya
EğitimHelsinki Üniversitesi, Göttingen Üniversitesi
Mezun olduğu okul(lar)Helsinki Üniversitesi
Tanınma nedeniLindelöf hipotezi
Lindelöf lemması
Lindelöf teoremi
Lindelöf uzayı
Phragmén–Lindelöf ilkesi
Picard–Lindelöf teoremi
Kariyeri
DalıMatematik, Topoloji,
Çalıştığı kurumHelsinki Üniversitesi (1896-1938)
TezSur les systèmes complets et le calcul des invariants différentiels des groupes continus finis (1893)
Doktora
danışmanı		Hjalmar Mellin
Doktora öğrencileriPekka Myrberg (1916), Lars Ahlfors (1932), Gunnar af Hällström (1939), Felix Iversen (1914), Gustaf Järnefelt (1929), Ensio Kivikoski (1925), Frithiof Nevanlinna (1918), Rolf Nevanlinna (1919), E. J. Nyström (1926), Nils Johan Pipping (1917), Kalle Aukusti Poukka (1907), Kalle Väisälä (1916), Vilho Väisälä (1917), Elias Aukusti Hintikka, Johan Helo, Ralf Josef Backlund, Tord Ingul Rudolf Lindblad
Diğer önemli öğrencileriLars Ahlfors

Ernst Leonard Lindelöf (7 Mart 1870 - 4 Haziran 1946) gerçel analiz, karmaşık analiz ve topolojiye katkıda bulunan bir Finlandiyalı matematikçi. Lindelöf uzaylarına onun adı verilmiştir. Lindelöf'ün babası, Helsinki Üniversitesi'nde matematik profesörü ve Finlandiya Matematik Derneği'nin kurucusu olan Lorenz Leonard Lindelöf, annesi ise Gabriela Krogius'du. Leonard'a ek olarak, ailenin altı çocuğu vardı: Filolog Uno,[1] Anna Maria, Carl Arvid, Ester Elisabeth, Tyra Gabriela ve Ella Amalia. Lindelöf'ün kız kardeşi Anna Maria, Finlandiyalı cerrah Frans Ali Krogius ile evlendi.[2]

Hayatı

Lindelöf, Helsinki Üniversitesi'nde okudu ve 1893 yılında doktorasını tamamladı, 1895 yılında doçent oldu ve 1903 yılında da Matematik profesörü oldu. Finlandiya Bilim ve Edebiyat Derneği'nin bir üyesiydi.

Lindelöf, karmaşık analiz, konformal haritalamalar, topoloji, Adi diferansiyel denklemler ve gama fonksiyonu dahil olmak üzere bir dizi farklı matematiksel alanda çalışmaya ek olarak, Fin matematiğinin tarihinin çalışılmasını teşvik etti. Diferansiyel denklemler üzerindeki Picard-Lindelöf teoremi ve karmaşık fonksiyon teorisinde kanıtladığı maksimum modül ilkesinin birkaç iyileştirmesinden biri olan Phragmén-Lindelöf ilkesiyle tanınır. Helsinki Üniversitesi'nde Lars Ahlfors'un doktora danışmanıydı.

Lorenz Leonard Lindelöf Helsinki Üniversitesi Burs Fonu, 1908 yılında Ernst Lindelöf'ün bağışına dayanmaktadır.[3]

Bibliyografyasından seçmeler

  • Le calcul des residus et ses uygulamaları à la theorie des fonctions (Paris, 1905)
  • Mémoire sur la théorie des fonctions entières d'ordre fini ("Acta socialetatis scienceiarum fennicae" 31, 1903)
  • Lars Edvard Phragmén ile: "Acta mathematica 31, 1908'de" Sur une extension d'un principe classique de l'analyse and sur quelques propriétés des fonctions monogènes dans le voisinage d'un point singulier".

Kaynakça

  1. ^ "Ernst Leonard Lindelöf". 15 Temmuz 2013 tarihinde kaynağından arşivlendi. Erişim tarihi: 23 Şubat 2021. 
  2. ^ "LINDELÖF Ernst Leonard" (PDF). s. 248. 10 Şubat 2015 tarihinde kaynağından (PDF) arşivlendi. Helsinki Üniversitesi Öğretmen ve Kamu Hizmeti Sicili 1640–1917: H-O 
  3. ^ "Helsinki Üniversitesi - Fonlar". 22 Ekim 2007 tarihinde kaynağından arşivlendi. 

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