Hans-Joachim Kanold

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Hans-Joachim Kanold (born July 29, 1914 in Breslau ; † November 19, 2012 ) was a German mathematician and university professor.

Life

Hans-Joachim Kanold studied mathematics . In 1941 he was at the University of Wroclaw at Georg Feigl Dr. rer. nat. PhD. He completed his habilitation at the Justus Liebig University in Gießen in 1950 and was appointed private lecturer and in 1954 an adjunct professor. In 1955 he moved as such to the Technical University of Braunschweig , where he was appointed associate professor in 1959, personal full professor in 1960 and full professor in 1967. In 1980 he retired.

Kanold dealt in particular with number theory , for example about perfect and friendly numbers . In total, he wrote around 70 scientific publications. From 1971 he was a member of the Braunschweigische Wissenschaftliche Gesellschaft , from 1986 to 1988 as its general secretary. In 1986 he became an honorary member of the Corps Teutonia-Hercynia Braunschweig .

Fonts

  • Theorems about circular division polynomials and their application to some number theoretical problems , 2 parts, Journal für Reine und Angewandte Mathematik, Volume 187, 1949, Volume 188, 1950
  • Studies on odd, perfect numbers , Journal für Reine und Angewandte Mathematik, Volume 183, 1941, pp. 98-109 (dissertation)
  • About the densities of the sets of perfect and friendly numbers , Mathematische Zeitschrift, Volume 61, 1954
  • About friendly and perfect numbers , messages from the Giessen University Community, Volume 24, 1955, pp. 122-130, online
  • About befriended numbers , 2 parts, Mathematische Nachrichten, Volume 9, 1953, pp. 153–158, Volume 10, 1953, pp. 99–111
  • About a number theoretic function by E. Jacobsthal . In: Treatises of the Braunschweigische Wissenschaftliche Gesellschaft Volume 25, 1975, pp. 7-10.
  • Stirling numbers 2nd kind . In: Yearbook 2000 of the Braunschweigische Wissenschaftlichen Gesellschaft , pp. 65–67.

literature

  • Kanold, Hans-Joachim . In: Kürschner's German Scholars Calendar 1996. Bio-bibliographical directory of contemporary German-speaking scientists . 17th edition, Volume Medicine-Natural Sciences-Technology , p. 646.

Individual evidence

  1. ^ Obituary at the 2013 annual meeting of the Braunschweig Scientific Society in the Old Town Hall
  2. ↑ Hans-Joachim Kanold on genealogy.ams.org (Mathematics Genealogy Project)
  3. ↑ 70 Years of the Braunschweig Scientific Society 1943-2013, p. 109
  4. ^ Directory of Weinheimer Corps Students 1990, p. 224
personal data
SURNAME Kanold, Hans-Joachim
BRIEF DESCRIPTION German mathematician and university professor
DATE OF BIRTH July 29, 1914
PLACE OF BIRTH Wroclaw
DATE OF DEATH 19th November 2012