• Thumbnail for Hans Werner Ballmann
    Hans Werner Ballmann (known as Werner Ballmann; born 11 April 1951) is a German mathematician. His area of research is differential geometry with focus...
    4 KB (323 words) - 23:58, 12 January 2023
  • Thumbnail for Christian Bär
    enrolled on Ph.D. studies at the University of Bonn as a student of Hans Werner Ballmann, and obtained his Ph.D in 1990. He was elected president of the German...
    3 KB (199 words) - 20:52, 1 April 2023
  • Thumbnail for Hans Fallada
    Hans Fallada (German: [hans ˈfa.la.da] ; born Rudolf Wilhelm Friedrich Ditzen; 21 July 1893 – 5 February 1947) was a German writer of the first half of...
    36 KB (4,867 words) - 20:18, 18 September 2024
  • been generalized to geodesic metric spaces by Mikhail Gromov and Hans Werner Ballmann. This class of aspherical spaces subsumes all the previously given...
    5 KB (726 words) - 19:30, 8 July 2024
  • Zilber A. B. Aleksandrov Hans Wilhelm Alt Taivo Arak Enrico Arbarello Maurice Auslander Tadeusz Balaban Hans Werner Ballmann Isabella Bashmakova Arnaud...
    118 KB (10,718 words) - 01:02, 6 September 2024
  • Thumbnail for Anna Wienhard
    Bonn, she earned a doctorate in 2004 under the joint supervision of Hans Werner Ballmann and Marc Burger. After holding temporary positions at the University...
    4 KB (336 words) - 21:05, 8 August 2024
  • Antoniadis Hans-Jürgen Appelrath Jürgen Aschoff Ludwig Aschoff Jörg Asmussen Erna Auerbach Johannes Theodor Baargeld Emil Baehrens Hans Werner Ballmann Johann...
    24 KB (2,455 words) - 00:39, 11 August 2024
  • Enseign. Math., Series 2, 36 (3–4): 309–320, doi:10.5169/seals-57911. Ballmann, Werner (1990). "Singular Spaces of Non-Positive Curvature". In Ghys, E.; de...
    8 KB (968 words) - 01:48, 3 March 2023
  • Thumbnail for Wilhelm Klingenberg
    of Göttingen University of Mainz University of Bonn Doctoral advisor Karl-Heinrich Weise [de] Doctoral students Hans Werner Ballmann Ursula Hamenstädt...
    6 KB (568 words) - 09:32, 3 October 2024
  • Thumbnail for Max Planck Institute for Mathematics
    Gaitsgory. Friedrich Hirzebruch and Yuri Manin were, and Günter Harder, Werner Ballmann, Gerd Faltings and Don Zagier are, acting as emeriti. The Max Planck...
    4 KB (298 words) - 17:34, 23 October 2024