Helmut Karzel
Helmut Jürgen Karzel (born January 15, 1928 in Schöneck , West Prussia ) is a German mathematician who deals with geometry .
From 1947 Karzel studied mathematics and physics at the Albert-Ludwigs-Universität Freiburg and from 1950 at the University of Bonn , where he received his doctorate in 1951 under Emanuel Sperner with the dissertation Relationships between ordering functions, norms and dichotomies . In 1955 he became an assistant at the University of Hamburg , where he followed Sperner, and after his habilitation in 1956, he was a private lecturer. After a period in 1961/62 as an associate professor at the University of Pittsburgh , he became an adjunct professor in Hamburg in 1962 and scientific advisor and professor in 1965. In 1967/68 he was visiting professor at the University of Karlsruhe . In 1968 he became a full professor at the Technical University of Hanover and in 1972 at the Technical University of Munich .
1966 to 1971 he was the year administrator of the Mathematical Society in Hamburg . In 1978 he became an honorary member.
He was visiting professor at the University of Toronto (1970, 1974), at the University of Bologna (1976), at the Universities of Brescia and Rome , at Texas A&M University (1983, 1988), at the University of Arizona (1986/87 ) and at the Teeside Polytechnic in Middlesbrough .
From 1971 Karzel was co-editor of the Journal of Geometry , 1973–1975 of the annual reports of the DMV , the results of mathematics and from 1976 the communications of the Mathematical Society Hamburg.
He was co-editor of the collected works of his teacher Sperner.
Fonts
- with Kay Sörensen, Dirk Windelberg Introduction to Geometry , Vandenhoeck and Ruprecht 1973
- with Hans-Joachim Kroll History of Geometry since Hilbert , Darmstadt, Scientific Book Society 1988
- Editor with Kay Sörensen Change of Concept Formations in Mathematics , Wissenschaftliche Buchgesellschaft, 1984
- Kinematic spaces , in Symposia Matematica (Istituto Nazionale di Alta Matematica) 11, Academic Press, London, 1973, pp. 413-439
- with M. König Affine embedding of absolute spaces of any dimension , in PL Butzer, F. Feher (editor) EB Christoffel: the influence of his work on mathematics and the physical sciences , Birkhäuser, Basel, 1981, pp. 657-672.
- Porous double spaces , Journal of Geometry, Volume 34, 1989, pp. 80-104
- Report on projective incidence groups , Annual Report DMV, Volume 67, 1964, pp. 58–92
- Projective spaces with a commutative transitive collineation group , Mathematische Zeitschrift, Volume 87, 1965, pp. 74-77
- Order functions in non-Desargue projective geometries , Mathematische Zeitschrift, Volume 62, 1955, pp. 268–291
- Generable order functions , Mathematische Annalen, Volume 127, 1954, pp. 228-242 (dissertation)
Web links
Individual evidence
personal data | |
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SURNAME | Karzel, Helmut |
ALTERNATIVE NAMES | Karzel, Helmut Jürgen |
BRIEF DESCRIPTION | German mathematician |
DATE OF BIRTH | January 15, 1928 |
PLACE OF BIRTH | Schöneck |