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Preiss David

RNDr., CSc.
Born January 21, 1947

  • Honorary member of Learned Society since 2003

Educational and professional preparation:

  • 1965-1970, Faculty of Mathematics and Physics, Charles University (FMP, CU), Prague; 
  • 1970, RNDr, Prague; 
  • 1979, CSc., Prague 

Employment and academic positions:

  • 1970-1990, FMP, CU;  
  • 1990-present, University College, London

Membership and positions in international organizations and societies:

  • Editorial Boards: Proceedings of the American Mathematical Society; Real Analysis Exchange; Commentationes Mathematicae Universitatis Carolinae; Mathematika.
  • Former member, Council of London Mathematical Society

Selected publications:

  • A smooth variational principle with applications to sub-differentiability and to differentiability of convex functions (with J. M. Borwein). Trans. Amer. Math. Soc., 303 (1987), 517-528
  • Geometry of measures in Rn : Distribution, rectifiability, and densities. Ann. of Math., 125 (1987), 537-643
  • A general mountain pass principle for locating and classifying critical points (with N. Ghoussoub). Analyse non linéaire, 6 (1989), 321-330
  • Smooth Banach spaces, weak Asplund spaces and monotone or usco mappings (with I. Namioka and R. R. Phelps). Israel J. Math., 72 (1990), 257-279
  • Differentiability of Lipschitz functions on Banach spaces. J. Functional Anal., 91 (1990), 312-345
  • Measures on Banach spaces are determined by their values on balls (with J. Tišer).
    Mathematika, 38 (1991), 391-397
  • Tangent measure distributions of fractal measures (with P. Mörters). Math. Ann., 312 (1998), 53-99
  • Directional derivatives of Lipschitz functions (with L. Zajíček). Israel J. Math., 125 (2001), 1-27
  • Lipschitz quotients from metric trees and from Banach spaces containing l1 (with W. B. Johnson, J. Lindenstrauss and G. Schechtman). J. Functional Anal., 194 (2002), 332-346
  • On Fréchet differentiability of Lipschitz maps between Banach spaces (with J. Lindenstrauss). Ann. of Math., 157 (2003), No.1, 257-288

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Reaction to the case of Tomáš Hudlický: Members of the Learned Society of the Czech Republic support the freedom of expression

„We believe that free exchange of ideas is a key condition for the pursuit of truth and that the honest opinions should be scrutinized, challenged or rebutted but not censored or suppressed,“ say 45 members of the Learned Society in a statement regarding the retracted opinion paper by Prof. Tomáš Hudlický.


The letter by Jan Konvalinka to the President and Vice-Chancellor of the Brock University regarding the retracted article of Prof. Tomáš Hudlický

Opinions could and should be challenged, questioned or refuted but never silenced. In order to be able to think, we have to have the right to inquire, question and even offend or be mistaken,” writes Assoc. Prof. Jan Konvalinka, a biochemist at the IOCB Prague and the Vice-Rector of the Charles University, to Gervan Fearon.


Prof Miroslav Bárta receives the Česká hlava National Government Award

Learned Society member, Prof. Mgr. Miroslav Bárta, Dr. (Charles University Faculty of Arts) received the Česká hlava (Czech Head) National Government Award on 25 November 2019. A renowned Czech Egyptologist and archaeologist, Professor Bárta researches the history of ancient civilisations, the human relationship to the natural environment, and also for many years the evolution of complex societies. He leads the Czech Institute of Egyptology for archaeological and environmental research in Egypt and Sudan. His principal research interest is the period of the pyramid builders of the Old Kingdom.