About: Olli Lehto

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Olli Erkki Lehto (30 May 1925 in Helsinki — 31 December 2020) was a Finnish mathematician, specializing in geometric function theory, and a chancellor of the University of Helsinki. Lehto earned his PhD in 1949 from the University of Helsinki under Rolf Nevanlinna with thesis Anwendung orthogonaler Systeme auf gewisse funktionentheoretische Extremal- und Abbildungsprobleme. At the University of Helsinki, Lehto was from 1961 to 1988 a professor, from 1978 the dean of science, from 1983 the rector, and from 1988 to 1993 the chancellor.

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  • Olli Erkki Lehto (* 30. Mai 1925 in Helsinki; † 31. Dezember 2020 in Helsinki) war ein finnischer Mathematiker, der sich mit Funktionentheorie beschäftigte. (de)
  • Olli Erkki Lehto (30 May 1925 in Helsinki — 31 December 2020) was a Finnish mathematician, specializing in geometric function theory, and a chancellor of the University of Helsinki. Lehto earned his PhD in 1949 from the University of Helsinki under Rolf Nevanlinna with thesis Anwendung orthogonaler Systeme auf gewisse funktionentheoretische Extremal- und Abbildungsprobleme. At the University of Helsinki, Lehto was from 1961 to 1988 a professor, from 1978 the dean of science, from 1983 the rector, and from 1988 to 1993 the chancellor. From 1983 to 1990 he was Secretary of the International Mathematical Union. In 1962 he became a member of the Finnish Academy of Science and Letters (Suomalainen Tiedeakatemia). In 1968 he was elected member of the Finnish Society of Sciences and Letters and in 1988 he became honorary member of the same society. He was a member of the Norwegian Academy of Science and Letters from 1986. In 1975 he was given by the President of Finland the honorary title "Academician of Science" (Tieteen akateemikko). Lehto was the chief organizer of the International Congress of Mathematicians (ICM) in Helsinki in 1978 and an invited speaker of the ICM in Moscow in 1966 with lecture Quasiconformal mappings in the plane. He was elected a Fellow of the American Mathematical Society. In 2001 Lehto published a biography of his mentor Rolf Nevanlinna. (en)
  • Olli Erkki Lehto (30 mai 1925 à Helsinki - 31 décembre 2020 ) est un mathématicien finlandais, spécialisé dans la théorie des fonctions géométriques et chancelier de l'Université d'Helsinki . (fr)
  • Olli Erkki Lehto (Helsinque, 30 de maio de 1925 - 31 de dezembro de 2020) foi um matemático finlandês. Lehto obteve um doutorado em 1949 na Universidade de Helsinque, orientado por Rolf Nevanlinna, com a tese Anwendung orthogonaler Systeme auf gewisse funktionentheoretische Extremal- und Abbildungsprobleme. De 1983 a 1990, foi secretário da União Internacional de Matemática. Em 1962, foi eleito membro da (Suomalainen Tiedeakatemia). Lehto foi o organizador chefe do Congresso Internacional de Matemáticos em Helsinque em 1978 e palestrante convidado do Congresso Internacional de Matemáticos em Moscou (1966 - Quasiconformal mappings in the plane). Foi eleito membro da American Mathematical Society. Em 2001, publicou uma biografia de seu mentor Rolf Nevanlinna. Morreu em 31 de dezembro de 2020, aos 95 anos. (pt)
  • Olli Erkki Lehto, född 30 maj 1925 i Helsingfors, död där den 31 december 2020, var en finländsk matematiker och universitetsman. Lehto avlade filosofie doktorsexamen år 1949. Han arbetade 1947–1962 vid Finska kabelfabriken och var 1953–1956 Rolf Nevanlinnas assistent vid Finlands Akademi, 1956–1961 biträdande professor i matematik vid Helsingfors universitet samt professor 1961–1988; forskarprofessor vid Finlands Akademi 1970–1975. Lehto var rektor för Helsingfors universitet 1983–1988 och universitetets kansler 1988–1993. Han har varit gästprofessor vid ett flertal utländska universitet och verkade 1983–1990 som generalsekreterare för den internationella matematikerunionen . Han har publicerat undersökningar främst från område, bland annat monografin Quasikonforme Abbildungen (jämte Kalle Virtanen) 1965. Lehto erhöll akademikers titel 1975 och har utnämnts till hedersdoktor vid flera universitet bland annat vid Åbo Akademi 1993. Han kallades år 1968 till ledamot av Finska Vetenskaps-Societeten och var sedan 1988 dess hedersledamot. Sedan 2001 var han hedersledamot av Finska Vetenskapsakademiemien. (sv)
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  • Olli Erkki Lehto (* 30. Mai 1925 in Helsinki; † 31. Dezember 2020 in Helsinki) war ein finnischer Mathematiker, der sich mit Funktionentheorie beschäftigte. (de)
  • Olli Erkki Lehto (30 mai 1925 à Helsinki - 31 décembre 2020 ) est un mathématicien finlandais, spécialisé dans la théorie des fonctions géométriques et chancelier de l'Université d'Helsinki . (fr)
  • Olli Erkki Lehto (30 May 1925 in Helsinki — 31 December 2020) was a Finnish mathematician, specializing in geometric function theory, and a chancellor of the University of Helsinki. Lehto earned his PhD in 1949 from the University of Helsinki under Rolf Nevanlinna with thesis Anwendung orthogonaler Systeme auf gewisse funktionentheoretische Extremal- und Abbildungsprobleme. At the University of Helsinki, Lehto was from 1961 to 1988 a professor, from 1978 the dean of science, from 1983 the rector, and from 1988 to 1993 the chancellor. (en)
  • Olli Erkki Lehto (Helsinque, 30 de maio de 1925 - 31 de dezembro de 2020) foi um matemático finlandês. Lehto obteve um doutorado em 1949 na Universidade de Helsinque, orientado por Rolf Nevanlinna, com a tese Anwendung orthogonaler Systeme auf gewisse funktionentheoretische Extremal- und Abbildungsprobleme. Em 2001, publicou uma biografia de seu mentor Rolf Nevanlinna. Morreu em 31 de dezembro de 2020, aos 95 anos. (pt)
  • Olli Erkki Lehto, född 30 maj 1925 i Helsingfors, död där den 31 december 2020, var en finländsk matematiker och universitetsman. Lehto avlade filosofie doktorsexamen år 1949. Han arbetade 1947–1962 vid Finska kabelfabriken och var 1953–1956 Rolf Nevanlinnas assistent vid Finlands Akademi, 1956–1961 biträdande professor i matematik vid Helsingfors universitet samt professor 1961–1988; forskarprofessor vid Finlands Akademi 1970–1975. (sv)
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  • Olli Lehto (ca)
  • Olli Lehto (de)
  • Olli Lehto (fr)
  • Olli Lehto (en)
  • Olli Lehto (pt)
  • Olli Lehto (sv)
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