Ernst Leonard Lindelöf

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For other people named Lindelöf or Lindelof, see Lindelöf (surname).

Ernst Leonard Lindelöf, (7 March 1870, Helsinki – 4 June 1946, Helsinki) was a Finnish topologist after whom Lindelöf spaces are named. He was the son of Leonard Lorenz Lindelöf and brother of the philologist Uno Lorenz Lindelöf.

Lindelöf studied at the University of Helsinki, where he completed his Ph.D. in 1893, became a docent in 1895 and professor of Mathematics in 1903. He was a member of the Finnish Society of Sciences and Letters.

In addition to working on mathematical topics as diverse as differential equations (the Picard–Lindelöf theorem is named after him) and the gamma function, Lindelöf promoted the study of the history of Finnish mathematics.

Selected bibliography[edit]

  • Le calcul des résidus et ses applications à la théorie des fonctions (Paris, 1905)
  • Mémoire sur la théorie des fonctions entières d'ordre fini ("Acta societatis scientiarum fennicae" 31, 1903)
  • With Lars Edvard Phragmén: "Sur une extension d'un principe classique de l'analyse et sur quelques propriétés des fonctions monogènes dans le voisinage d'un point singulier", in: Acta mathematica 31, 1908.

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