Sergey Mikhailovich Nikolsky (russian: link=no, Серге́й Миха́йлович Нико́льский; 30 April 1905 – 9 November 2012) was a Russian mathematician. He was born in Talitsa, which was at that time located in

Kamyshlovsky Uyezd Kamyshlovsky Uyezd (''Камышловский уезд'') was one of the subdivisions of the Perm Governorate of the Russian Empire. It was situated in the southeastern part of the governorate. Its administrative centre was Kamyshlov. Demographics ...

Perm Governorate Perm Governorate (russian: link=no, Пермская губерния) was an administrative unit of the Russian Empire and the Soviet Union from 1781 to 1923. It was also known as the ''government of Perm''. It was located on both slopes of t ...

Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War. ...

. He had been an

Academician An academician is a full member of an artistic, literary, engineering, or scientific academy. In many countries, it is an honorific title used to denote a full member of an academy that has a strong influence on national scientific life. In syst ...

since November 28, 1972. He also had won many scientific awards. At the age of 92 he was still actively giving lectures in

Moscow Institute of Physics and Technology Moscow Institute of Physics and Technology (MIPT; russian: Московский Физико-Технический институт, also known as PhysTech), is a public research university located in Moscow Oblast, Russia. It prepares speciali ...

. In 2005, he was only giving talks at scientific conferences, but was still working in

MIPT ''N''-Methyl-''N''-isopropyltryptamine (MiPT) is a psychedelic tryptamine, closely related to DMT, DiPT and Miprocin. Chemistry MiPT base, unlike many other tryptamines in their freebase form, does not decompose rapidly in the presence of lig ...

, at the age of 100. He died in Moscow in November 2012 at the age of 107.

Scientific activities

Nikolsky made fundamental contributions to

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 ...

, approximation of functions, quadrature formulas, enclosed functional spaces and their applications to variational solutions of

partial differential equations In mathematics, a partial differential equation (PDE) is an equation which imposes relations between the various partial derivatives of a multivariable function. The function is often thought of as an "unknown" to be solved for, similarly to ...

. He created a large scientific school of functions' theory and its applications. He authored over 100 scientific publications, including 3 monographs, 2 college textbooks and 7 school textbooks.

Selected publications

* Approximation of functions of several variables and imbedding theorems, Springer Verlag 1975 (Russian original, Nauka, Moscow 1969) * Treatise on the shift operator, Springer Verlag 1986 (Russian original, Moscow 1980) * Operators, functions and systems. An easy reading. Volume 1: Hardy, Hankel and Toeplitz, American Mathematical Society 2002 *mit Valentin Petrovich Ilyin and Oleg Besov: ''Integral representation of functions and embedding theorems'', 2 vols., Wiley 1978, 1979 *as editor: Theory and applications of differentiable functions of several variables, American Mathematical Society 1967 *Quadrature formulae, Delhi, Hindustan Publ. Corp. 1964 *Курс математического анализа (Course in mathematical analysis, Russian), 2 vols., Nauka 1975 *with : Differential equations, multiple integrals, series, theory of functions of a complex variable, Mir Publ., Moscow 1983

References

External links

* List of publications, downloadable here
Russian Academy of Sciences

* 1905 births 2012 deaths People from Sverdlovsk Oblast People from Kamyshlovsky Uyezd Russian mathematicians Soviet mathematicians Russian centenarians Men centenarians Full Members of the USSR Academy of Sciences Full Members of the Russian Academy of Sciences Oles Honchar Dnipro National University alumni Moscow Institute of Physics and Technology faculty Oles Honchar Dnipro National University academic personnel Stalin Prize winners Recipients of the USSR State Prize Burials in Troyekurovskoye Cemetery Laureates of the State Prize of Ukraine in Science and Technology {{Russia-scientist-stub