Mathematician:Ernst Leonard Lindelöf

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Mathematician

Finnish topologist who also worked on differential equations and the gamma function.

Wrote a series of highly-regarded textbooks and published extensively on the history of Finnish mathematics.


Nationality

Finnish


History

  • Born: 7 March 1870, Helsingfors, Russian Empire (now Helsinki, Finland)
  • Died: 4 June 1946, Helsinki, Finland


Theorems and Definitions

Results named for Ernst Leonard Lindelöf can be found here.

Definitions of concepts named for Ernst Leonard Lindelöf can be found here.


Publications

  • 1894: Sur l'application de la méthode des approximations successives aux équations différentielles ordinaires du premier ordre
  • 1905: Le calcul des résidus et ses applications à la théorie des fonctions
  • 1903: Mémoire sur la théorie des fonctions entiéres d'ordre fini
  • 1908: Sur une extension d'un principe classique de l'analyse et sur quelques propriétés des fonctions monogènes dans le voisinage d'un point singulier (with Lars Edvard Phragmén)
  • 1908: Quelques remarques sur la coissance de la function $\zeta \left({s}\right)$ (in which he stated what is now known as the Lindelöf Hypothesis)
  • 1920-1946: Differential and integral calculus and their applications (four volumes)
  • 1936: Introduction to function theory


Sources