b'\n_START_ARTICLE_\nIon V\xc4\x83duva\n_START_SECTION_\nBiografie\n_START_PARAGRAPH_\n\xc3\x8entre anii 1960 \xc8\x99i 1964 a lucrat ca cercet\xc4\x83tor \xc8\x99tiin\xc8\x9bific la Institutul de Matematic\xc4\x83 \xe2\x80\x9eSimion Stoilov\xe2\x80\x9d al Academiei Rom\xc3\xa2ne. Din  1964 \xc8\x99i p\xc3\xa2n\xc4\x83 \xc3\xaen 1970 a fost cercet\xc4\x83tor principal \xc8\x99i apoi \xc8\x99ef de sector la Centrul de Statistic\xc4\x83 Matematic\xc4\x83 tot la Academia Rom\xc3\xa2na. A \xc3\xaenceput cariera didactic\xc4\x83 \xc3\xaen anul 1970, av\xc3\xa2nd o activitate de peste 37 de ani la Facultatea de Matematic\xc4\x83 \xc8\x99i Informatic\xc4\x83 din Universitatea Bucure\xc8\x99ti. \xc3\x8encep\xc3\xa2nd cu anul 1971 a condus doctorate \xc3\xaen  Informatic\xc4\x83 \xc8\x99i Statistic\xc4\x83 la  Facultatea de Matematic\xc4\x83 \xc8\x99i Informatic\xc4\x83 din Universitatea Bucure\xc8\x99ti. A supervizat p\xc3\xa2n\xc4\x83 \xc3\xaen prezent (septembrie 2008) 56 doctoranzi rom\xc3\xa2ni \xc8\x99i str\xc4\x83ini. _NEWLINE_\xc3\x8en decursul timpului a fost invitat la diferite institu\xc8\x9bii de cercetare \xc8\x99i \xc3\xaenv\xc4\x83\xc8\x9b\xc4\x83m\xc3\xa2nt din lume: GMD-Bonn (german\xc4\x83 GMD-Forschungszentrum Informationstechnik) (3 luni \xc3\xaen 1974 \xc8\x99i o lun\xc4\x83 \xc3\xaen 1976); Sheffield Hallam University ( Marea Britanie, 2 luni \xc3\xaen 1992); Technische Universit\xc3\xa4t Darmstadt (Germania, 3 luni \xc3\xaen 1993); _NEWLINE_Profesorul V\xc4\x83duva a participat la manifest\xc4\x83ri \xc8\x99tiin\xc8\x9bifice interna\xc8\x9bionale la  Stockholm (1966); Cambridge si Sheffield (1969); Lancaster (1971); Berlin (1963), Leipzig (1964), Rostock (1966), Magdeburg (1971), Dresden (1974), Bonn (1976), Aachen (1981), Karlsruhe (1990), Hamburg (1993), Darmstadt (1998, 2003)Bad Tanzmansdorf  (Austria)(1983), Praga (1984); Sofia (1963, 1995, 1999); Rusia (1971, 1988); Var\xc8\x99ovia (1984); Budapesta, Debrecen, Szeged (1967, 1978, 1979); Padova (1996, 1999, 2002); Salamanca (Spania) (2001); Patras (Grecia) (1999); Paris (2001); Leuven (2001); Delft (2002).'