Schauder

Juliusz Pawel Schauder

Born: 21 Sept 1899 in Lvov, Galicia, Austria-Hungary (now Ukraine)
Died: Sept 1943 in Lvov, Galicia, Austria-Hungary (now Ukraine)

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Julius Schauder was drafted into the Austro-Hungarian army in 1917 and fought in Italy where he was taken prisioner. He then joined the Polish army in France before returning to Lvov to begin his university studies. After obtaining his doctorate in 1923, he taught both in a secondary school and at the university in Lvov.

Brouwer published his fixed point theorems in 1911 for finite dimensional spaces. Schauder published fixed point theorems for Banach spaces in 1930. During 1932-33 he studied at Leipzig and with Hadamard in Paris. His 1934 paper on topology and partial differential equations is of major importance. His last work was to generalise results of Courant, Friedrichs and Lewy on hyperbolic partial differential equations.

In 1941 the German army entered Lvov and a systematic extermination of Jews began. Schauder sent pleas for help to Hopf and Heisenberg saying he had many important results but no paper to write them on. He was shot by the Gestapo in September 1943.

References:

  1. Dictionary of Scientific Biography
  2. W Forster, J Schauder : Fragments of a portrait, Numerical Solution of Highly Nonlinear Problems (Amsterdam, 1980), 417-425.
  3. J Leray, My friend Julius Schauder, Numerical Solution of Highly Nonlinear Problems (Amsterdam, 1980), 427-439. 
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JOC/EFR February 1996