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
- Lindelöf Space
- Lindelöf Hypothesis
- Lindelöf's Lemma
- Lindelöf's Theorem
- Phragmén-Lindelöf Principle (with Lars Edvard Phragmén)
- Picard-Lindelöf Theorem (with Charles Émile Picard) (also known as Picard's Existence Theorem)
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