Jesse Douglas

from Wikipedia, the free encyclopedia

Jesse Douglas (born July 3, 1897 in New York , † October 7, 1965 ) was an American mathematician . In 1936 he was one of the first two mathematicians to be awarded the Fields Medal for solving the plateau problem of differential geometry .

Douglas won prizes in mathematics at City College in New York and studied from 1916 at Columbia University in New York a. a. with Edward Kasner . In 1920 he received his doctorate with a thesis on differential geometric calculus of variations . 1920–1926 he taught at Columbia College and published next to it. From 1926 to 1930 he attended Princeton , Harvard , Chicago , Paris and Göttingen Universities on a scholarship (1930).

In 1930 he solved - and independently of him Tibor Radó - the plateau problem that had already been posed by Lagrange in the 18th century. In doing so, the proof of the existence of a minimal surface for a given boundary should be provided. For this he received the Fields Medal and in 1943 the Bôcher Memorial Prize from the American Mathematical Society . Douglas and Rado solved this problem of the calculus of variations with the help of the Dirichlet principle by constructing a suitable functional (which, however, is not identical to the surface functional) whose minimum results in the minimum area. Douglas then studied a few more variants of the problem. Later he also worked in group theory.

From 1930 to 1937 he was at MIT . After various stations, u. a. In 1934/5 and 1938/9 at the Institute for Advanced Study in Princeton , he returned to City College in New York from 1955 . In 1933 he was elected to the American Academy of Arts and Sciences , in 1946 to the National Academy of Sciences .

He was married from 1940 and had a son.

Fonts

  • Solution of the problem of plateau. Trans. Amer. Math. Soc. 33 (1931), no. 1, 263-321.
  • Green's function and the problem of Plateau , American Journal of Mathematics, v. 61 (1939), pp. 545-589
  • The most general form of the problem of Plateau , American Journal of Mathematics, v. 61 (1939), pp. 590-608
  • Solution of the inverse problem of the calculus of variations , Proceedings of the National Academy of Sciences, v. 25 (1939), pp. 631-637.
  • Survey of the theory of integration , New York 1947

literature

  • The Problem of Plateau - A tribute to Jesse Douglas and Tibor Radó , (River Edge, NJ, 1992).
  • M. Struwe: Plateau's Problem and the Calculus of Variations , ISBN 0-691-08510-2
  • R. Bonnett, AT Fomenko: The Plateau Problem (Studies in the Development of Modern Mathematics) , ISBN 2-88124-702-4
  • M. Giaquinta, S. Hildebrandt: "Calculus of Variations", Volume I and Volume II, Springer Verlag

Web links