Czesław Ryll-Nardzewski
- Birth Date:
- 07.10.1926
- Death date:
- 18.09.2015
- Length of life:
- 88
- Days since birth:
- 35884
- Years since birth:
- 98
- Days since death:
- 3396
- Years since death:
- 9
- Extra names:
- Czesław Ryll-Nardzewski
- Categories:
- Academician, Professor
- Nationality:
- pole
- Cemetery:
- Set cemetery
Czesław Ryll-Nardzewski (born October 7, 1926, died September 18, 2015) was a Polish mathematician.
He was a student of Hugo Steinhaus. At the age of 26 he became professor at the Warsaw University and in 1959 at the Wrocław University of Technology. His main research areas are measure theory, functional analysis, foundations of mathematics and probability theory. Several theorems bear his name: the Ryll-Nardzewski fixed point theorem, the Ryll-Nardzewski theorem in model theory, and the Kuratowski–Ryll-Nardzewski measurable selection theorem.
A member of the Polish Academy of Sciences since 1967.
Source: wikipedia.org