IN MEMORIAM: CZESŁAW RYLL-NARDZEWSKI’S CONTRIBUTIONS TO
PROBABILITY THEORY
Tomasz Rolski
Wojbor A. Woyczyński
Abstract: In this paper we review contributions of late Czesław Ryll-Nardzewski to probability
theory. In particular, we discuss his papers on point processes, random power series, random
series in infinite-dimensional spaces, ergodic theory, de Finetti’s exchangeable sequences,
conditional distributions and applications of the Kuratowski–Ryll-Nardzewski theorem on
selectors.
2010 AMS Mathematics Subject Classification: Primary: 01Axx; Secondary:
60-03.
Keywords and phrases: Ryll-Nardzewski, biography, probability theory.