Johan Gerretsen
Johan Cornelis Hendrik Gerretsen (born May 20, 1907 in Winschoten , † October 11, 1983 in Smalle Ee near Drachten ) was a Dutch mathematician .
Gerretsen studied at the University of Groningen from 1925, graduating in 1930, and was then a teacher until 1945. In 1939 he received his doctorate in Groningen with Gerrit Schaake ( De topologische grondslagen der meetkunde van het aantal ) and was a lecturer there from 1940 to 1943. From 1946 he was a full professor in Groningen. In 1977 he retired.
He was interested in applications of mathematics and took care of the installation of the first computer (a Zebra computer by Willem van der Poel ) at the University of Groningen.
Fonts
- with Giovanni Sansone : Lectures on the theory of functions of a complex variable, Volume 1 (Holomorphic Functions), Noordhoff 1960, Volume 2 (Geometric Theory) Wolters-Noordhoff 1969
- Lectures on tensor calculus and differential geometry, Noordhoff 1962
Web links
Individual evidence
- ↑ Life data according to Michael Toeppel (Ed.), General Directory of Members of the German Mathematicians Association 1890-1990, Munich 1991
- ↑ Johan Gerretsen in the Mathematics Genealogy Project (English)
| personal data | |
|---|---|
| SURNAME | Gerretsen, Johan |
| ALTERNATIVE NAMES | Gerretsen, Johan Cornelis Hendrik (full name) |
| BRIEF DESCRIPTION | Dutch mathematician |
| DATE OF BIRTH | May 20, 1907 |
| PLACE OF BIRTH | Winschoten |
| DATE OF DEATH | October 11, 1983 |
| Place of death | Smalle Ee at Drachten |