Lothar Koschmieder

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Lothar Eduard Koschmieder (born April 22, 1890 in Liegnitz ; † March 6, 1974 in Tübingen ) was a German mathematician who was particularly concerned with calculus of variations .

Lothar Koschmieder (left) with Karl Heinrich Hofmann (right) 1961

life and work

Koschmieder, son of the headmaster of a middle school, studied mathematics after graduating from high school in Liegnitz in 1908 at the TH Breslau with Adolf Kneser and Constantin Carathéodory (as well as one semester each in Freiburg and Göttingen). In 1913 he received his doctorate from Kneser ( application of elliptic functions to the determination of conjugate points in problems of the calculus of variations ). He passed the state examination for teaching qualifications and was then Kneser's assistant in Breslau. In the First World War he served as a meteorologist (field weather service) from 1914 to 1918. After that he was again assistant to Kneser in Breslau, where he qualified as a professor in 1919 ( investigations on Jacobian polynomials ) and in 1924 became an adjunct professor. In 1926/27 he held a substitute professorship in Greifswald and in 1927 he became a full professor of mathematics at the Deutsche TH Brno .

Koschmieder became a member of the NSDAP in 1939 . From 1940 to 1946 he was a professor at the TH Graz . After his release he was a professor at the Syrian University of Aleppo in 1948/49 and at the Universidad Nacional de Tucumán in Argentina from 1949 to 1953 . 1953 to 1958 he was a professor at the Iraqi State University in Baghdad . In 1959 he became a professor in Tübingen and immediately retired in 1960. However, he held lectures until 1973. He was also visiting professor at the Turkish Ege Üniversitesi (1963/64, 1965–1967, 1968–1970).

He dealt with the calculus of variations and special functions as well as their application. He also dealt with number theory.

He was married twice. From his first marriage to Johanna Schnieblich (marriage 1919, died 1934) he had a daughter, from his second marriage in 1936 to Marie-Luise von Münchhausen he had two sons and a daughter.

Fonts

  • Calculus of Variations , Volume 1 (The free and bound extremely simple basic integral), De Gruyter, Göschen Collection 1933

literature

Web links

Individual evidence

  1. ↑ Lothar Koschmieder in the Mathematics Genealogy Project (English)Template: MathGenealogyProject / Maintenance / id used
  2. ↑ Re-appointment of the chair for mathematics in Graz in 1946 ( Memento of the original from December 8, 2015 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. (PDF) Detlef Gronau @1@ 2Template: Webachiv / IABot / www.uni-graz.at
personal data
SURNAME Koschmieder, Lothar
ALTERNATIVE NAMES Koschmieder, Lothar Eduard
BRIEF DESCRIPTION German mathematician
DATE OF BIRTH April 22, 1890
PLACE OF BIRTH Liegnitz
DATE OF DEATH March 6, 1974
Place of death Tübingen