Leo Sario

Leo Reino Sario (18 May 1916 – 15 August 2009) was a Finnish-born mathematician who worked on complex analysis and Riemann surfaces.

Leo R. Sario
Born(1916-05-18)18 May 1916
Lieksa, Finland[1]
Died15 August 2009(2009-08-15) (aged 93)
Santa Monica, California[2]
NationalityFinnish
Alma materUniversity of Helsinki
Scientific career
FieldsMathematics
InstitutionsUniversity of California, Los Angeles
Doctoral advisorRolf Nevanlinna
Doctoral studentsBurton Rodin
Abraham Silvers
Dennis Hada

After service as a Finnish artillery officer in the Winter War and World War II, he received his PhD in 1948 under Rolf Nevanlinna at the University of Helsinki.[3] Nevanlinna and Sario were founding members of the Academy of Finland, and there is a statue on the Academy grounds named after Sario.[1][2] Sario moved to the United States in 1950 and obtained temporary positions at the Institute for Advanced Study,[4] MIT, Stanford University, and Harvard University. In 1954 he became a professor at UCLA, remaining there until his retirement in 1986. He was the author or co-author of five major books on complex analysis and over 130 papers. He supervised 36 doctoral students, including Kōtarō Oikawa and Burton Rodin.[2] In 1957 he was awarded the Cross of the Commander of Finland's Order of Knighthood.[4] He was a Guggenheim Fellow for the academic year 1957–1958.[5]

Selected publications
  • with Lars Ahlfors: Riemann surfaces, Princeton Mathematical Series 26, Princeton University Press 1960[6]
  • with Kiyoshi Noshiro: Value Distribution Theory, Van Nostrand 1966[7]
  • with Burton Rodin: Principal Functions, Springer 1968, Van Nostrand 1968
  • with Kōtarō Oikawa: Capacity Functions, Grundlehren der mathematischen Wissenschaften 149, Springer 1969
  • with Mitsuru Nakai: Classification Theory of Riemann Surfaces, Grundlehren der mathematischen Wissenschaften 164, Springer 1970
  • with Mitsuru Nakai, Cecilia Wang, Lung Ock Chung: Classification Theory of Riemannian Manifolds : Harmonic, quasiharmonic and biharmonic functions, Lecture Notes in Mathematics 605, Springer 1977
  • Capacity of a boundary and of a boundary element, Annals of Mathematics, vol. 59, 1954, pp. 135–144 doi:10.2307/1969835
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References
  1. Otavan Iso tietosanakirja (Otavan Great Encyclopedia). vol. 7. Otava. 1966. p. 1078.
  2. Leo Sario, Professor of Mathematics, Emeritus, In memoriam Archived 2013-11-04 at the Wayback Machine
  3. Leo Sario at the Mathematics Genealogy Project
  4. Sario, Leo Reino – Institute for Advanced Study Visiting Scholar
  5. "Leo Sario". John Simon Guggenheim Memorial Foundation.
  6. Springer, George (1961). "Book Review: Riemann surfaces". Bulletin of the American Mathematical Society. 67 (2): 170–172. doi:10.1090/S0002-9904-1961-10548-X. ISSN 0002-9904.
  7. Jenkins, James A. (1969). "Book Review: Value distribution theory". Bulletin of the American Mathematical Society. 75 (5): 917–924. doi:10.1090/S0002-9904-1969-12286-X. ISSN 0002-9904.


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