Iossif Vladimirovich Ostrovskii (, , 6 April 1934 – 29 November 2020, in

Ankara Ankara is the capital city of Turkey and List of national capitals by area, the largest capital by area in the world. Located in the Central Anatolia Region, central part of Anatolia, the city has a population of 5,290,822 in its urban center ( ...

) was a Soviet and Ukrainian mathematician who made significant contributions to function theory and

probability theory Probability theory or probability calculus 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 expre ...

Corresponding Member The corresponding member is one of the possible membership types in some organizations, especially in the learned societies and scientific academies. This title existed or exist in the Soviet Union, GDR, Polish People's Republic, Czechoslovak S ...

of the

National Academy of Sciences of Ukraine The National Academy of Sciences of Ukraine (NASU; , ; ''NAN Ukrainy'') is a self-governing state-funded organization in Ukraine that is the main center of development of Science and technology in Ukraine, science and technology by coordinatin ...

(1978).

Biography

Iossif Vladimirovich Ostrovskii was born 6 April 1934 in

Dnipropetrovsk Dnipro is Ukraine's fourth-largest city, with about one million inhabitants. It is located in the eastern part of Ukraine, southeast of the Ukrainian capital Kyiv on the Dnieper River, Dnipro River, from which it takes its name. Dnipro is t ...

(now Dnipro). He obtained a degree at

National University of Kharkiv The V. N. Karazin Kharkiv National University (), also known as Kharkiv National University or Karazin University, is a public university in Kharkiv, Ukraine. It was founded in 1804 through the efforts of Vasily Karazin, becoming the second old ...

in 1956, and entered post-graduate studies, where his supervisor was Boris Yakovlevich Levin. In 1959 he defended his PhD thesis ''The connection between the growth of a meromorphic function and the distribution of its values by arguments''. In 1965 he defended his doctoral thesis ''Asymptotic properties of entire and meromorphic functions and some of their applications''. From 1958 to 1985 he worked at National University of Kharkiv, since 1969 as the head of the Department of Function Theory. From 1986 to 2001 he headed the Department of Function Theory at

Verkin Institute for Low Temperature Physics and Engineering The B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine () is a research institute that conducts basic research in experimental and theoretical physics, mathematics, as well as in the fi ...

. From 1993 to 2010, he was Professor of the University of Bilkent (Ankara, Turkey). In 1978 he became the

of the Academy of Sciences of USR (now of the NAS of Ukraine). Ostrovskii was married to mathematician Larisa Semenovna Kudina. Their children Sofiya Ostrovska and Mikhail Ostrovskii also became mathematicians.

Awards

In 1992 he received the State Prize of the Ukrainian SSR for his work in the theory of functions (together with B. Ya. Levin and A. A. Goldberg).

References

External links

History of the Department of Function Theory at B.Verkin ILTPE of the National Academy of Sciences of Ukraine.

Iossif Vladimirovich Ostrovskii (on his eightieth anniversary).

Iossif Vladimirovich Ostrovskii (on his seventieth anniversary).

Iossif Vladimirovich Ostrovskii (on his sixtieth anniversary).
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{{DEFAULTSORT:Ostrovskii, Iossif Soviet mathematicians National University of Kharkiv alumni 20th-century Ukrainian mathematicians 1934 births 2020 deaths Laureates of the State Prize of Ukraine in Science and Technology Scientists from Dnipro Corresponding members of the National Academy of Sciences of Ukraine