Zbigniew Ciesielski (Polish pronunciation: ; 1 October 1934 – 5 October 2020) was a Polish mathematician specializing in

functional analysis Functional analysis is a branch of mathematical analysis, the core of which is formed by the study of vector spaces endowed with some kind of limit-related structure (e.g. Inner product space#Definition, inner product, Norm (mathematics)#Defini ...

and

probability theory Probability theory is the branch of mathematics concerned with probability. Although there are several different probability interpretations, probability theory treats the concept in a rigorous mathematical manner by expressing it through a set o ...

. He served as the President of the

Polish Mathematical Society The Polish Mathematical Society ( pl, Polskie Towarzystwo Matematyczne) is the main professional society of Polish mathematicians and represents Polish mathematics within the European Mathematical Society (EMS) and the International Mathematical Un ...

from 1981 to 1983.

Education and career

Ciesielski was born in

Gdynia Gdynia ( ; ; german: Gdingen (currently), (1939–1945); csb, Gdiniô, , , ) is a city in northern Poland and a seaport on the Baltic Sea coast. With a population of 243,918, it is the List of cities in Poland, 12th-largest city in Poland and ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...

. He received in 1960 his doctorate from the Adam Mickiewicz University in Poznan with dissertation ' (On orthogonal developments of almost all functions in Wiener space) under the supervision of

Władysław Orlicz Władysław Roman Orlicz (May 24, 1903 in Okocim, Austria-Hungary (now Poland) – August 9, 1990 in Poznań, Poland) was a Polish mathematician of Lwów School of Mathematics. His main interests were functional analysis and topology: Orlicz spac ...

. He has been a professor at the Mathematical Institute of the Polish Academy of Sciences since 1969 and a member of the Academy since 1973. In 1974 he was an Invited Speaker of the

International Congress of Mathematicians The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union (IMU). The Fields Medals, the Nevanlinna Prize (to be rename ...

in Vancouver. He was President of the

from 1981 to 1983. Ciesielski's main areas of research are

, in particular Schauder bases in

Banach space In mathematics, more specifically in functional analysis, a Banach space (pronounced ) is a complete normed vector space. Thus, a Banach space is a vector space with a metric that allows the computation of vector length and distance between vector ...

s, and

, in particular the mathematical theory of Brownian motion.

Awards and decorations

* 1964: * 1974:

Order of Polonia Restituta The Order of Polonia Restituta ( pl, Order Odrodzenia Polski, en, Order of Restored Poland) is a Polish state decoration, state Order (decoration), order established 4 February 1921. It is conferred on both military and civilians as well as on al ...

: Knight's Cross * 1984:

: Officer's Cross * 1992: * 1988: of 1st degree * 2004: Honorary Member of the

* 2014:

Honorary degree An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or ''ad hono ...

of the

University of Gdańsk The University of Gdańsk ( pl, Uniwersytet Gdański) is a public research university located in Gdańsk, Poland. It is one of the top 10 universities in Poland and is also an important centre for the studies of the Kashubian language. History ...

References

External links

Zbigniew Ciesielski, Selected publications
at the Polish Academy of Sciences {{DEFAULTSORT:Ciesielski, Zbigniew Functional analysts Probability theorists Members of the Polish Academy of Sciences Polish mathematicians 1934 births 2020 deaths Recipients of the Order of Polonia Restituta (1944–1989) Recipients of the State Award Badge (Poland)

Education and career

Awards and decorations

See also

References

External links