Ernst Peschl
Ernst Ferdinand Peschl ( born September 1, 1906 in Passau, † 9 June 1986 in Eitorf ) was a German mathematician.
Life
Ernst Peschl came from the family of a brewery owner. After attending secondary school in Passau he took in 1925 in Munich, the study of mathematics, physics and astronomy. He received his doctorate in 1931 at Constantin Carathéodory at the University of Munich (On the curvature of level curves in the conformal mapping simply contiguous areas on the inside of a circle, a generalization of a theorem of E. Study. ). This was followed by assistant years in Jena with Robert King and in Munster at Heinrich Behnke. During his studies he was a member of the SA for a year and then became a member of the National Socialist German Bunds lecturers. He habilitated in 1935 in Jena. After an acting chair he was in 1938 ao Professor at the University of Bonn. During the war he worked at the German Research Institute for Aviation in Braunschweig. After the war he became director of the Institute of Mathematics in Bonn and in 1948 full professor ibid. He built in Bonn, the Institute for Pure and Applied Mathematics, the Institute for instrumental mathematics and the Society for Mathematics and Data Processing, which he ran with Heinz Unger 1969 to 1974, with on.
Work areas and effect
Ernst Peschls main areas of work were geometric function theory, partial differential equations and the theory of functions of several complex variables.
In Peschl among others Claus Müller, Friedhelm Erwe, Karl Wilhelm Bauer, Bernhard Korte, Stephan Ruscheweyh and Karl -Joachim Wirths were PhDs.
Honors
Peschl 1969 received an honorary doctorate from the University of Toulouse and in 1982 an honorary doctorate from the University of Graz. He was appointed in 1975 by the French government for his fruitful collaboration with French mathematicians to Officier des Palmes Académiques. In 1983 he was awarded the Cross of Merit 1st class of the Federal Republic of Germany.
Peschl was a regular member of the North Rhine- Westphalian Academy of Sciences, the Bavarian and Austrian Academies of Sciences and corresponding member of the Académie des Sciences, Inscriptions et Belles- Lettres de Toulouse. He was awarded the Pierre Fermat Medal in 1965 and the Medal of the University of Jyväskylä.
Writings
- About the curvature of level curves in the conformal mapping simply contiguous areas on the inside of a circle. A generalization of a theorem of E. Study, Mathematische Annalen 106, 1932, pp. 574-594
- On the theory of simple functions, Crelle Journal 176, 1937, pp. 61-94
- About the Cartan Carathéodoryschen uniqueness theorem, Mathematische Annalen 119, 1943, pp. 131-139
- Analytical Geometry, Bibliographical Institute, Mannheim 1961
- Function theory, Bibliographical Institute, Mannheim 1967
- Differential geometry, Bibliographical Institute, Mannheim 1973, ISBN 3-411-00080-5