Czesław Ryll-Nardzewski
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Czesław Ryll-Nardzewski (Script error: No such module "IPA".; 7 October 1926 – 18 September 2015) was a Polish mathematician.
Life and career
Born in Wilno, Second Polish Republic (now Vilnius, Lithuania), he was a student of Hugo Steinhaus. At the age of 26 he became professor at Warsaw University. In 1959, he became a professor at the Wrocław University of Technology. He was the advisor of 18 PhD theses.[1] His main research areas were measure theory, functional analysis, foundations of mathematics and probability theory. Several theorems bear his name: the Ryll-Nardzewski fixed point theorem,[2] the Ryll-Nardzewski theorem[3][4] in model theory, and the Kuratowski and Ryll-Nardzewski measurable selection theorem.[5][6][7][8][9]
He became a member of the Polish Academy of Sciences in 1967.[10] He died in 2015 at the age of 88[10][11] and he is buried in Wrocław at Template:Ill.[12]
References
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- ↑ Script error: No such module "citation/CS1". “9. Theorem of Ryll-Nardzewski” (p. 171), “(9.6) Theorem (Ryll-Nardzewski)” (p. 174)
- ↑ Script error: No such module "citation/CS1". See Theorem 7.3.1
- ↑ Script error: No such module "citation/CS1". Cf. (2.10)
- ↑ Script error: No such module "citation/CS1". See Theorem 6.9.3 on p. 36 and the historical comment on p. 441
- ↑ Script error: No such module "citation/CS1". See Theorem (12.13) at the bottom of p. 76
- ↑ Script error: No such module "Citation/CS1". See Theorem A
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- ↑ a b Zmarł Profesor Czesław Ryll-Nardzewski Template:In lang
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- Short biography at the Polish Academy of Sciences