Sergey Borisovich Stechkin
Encyclopedia
Sergey Borisovich Stechkin (6 September 1920 – 22 November 1995) was a prominent Soviet mathematician
who worked in theory of functions (especially in approximation theory
) and number theory
.
His father (Boris Stechkin
) was a Soviet turbojet engine designer, academician. His great uncle, N.Ye. Zhukovsky, was the founding father of modern aero-
and hydrodynamics. His maternal grandfather, N.A. Shilov, was a notable chemist.
Stechkin studied mathematics in Moscow State University
, he was a student of D. E. Menshov
. Stechkin received his Ph.D. in 1948, his thesis was titled “On the order of best approximations of continuous functions”.
Later he worked as a mathematician at Steklov Institute of Mathematics
in Moscow. He was the founder and first director of the department of the Institute in Yekaterinburg
. Later this department became the Institute of mathematics and mechanics of the Ural branch of the Russian Academy of Sciences
.
Stechkin founded, and, for more than 20 years, headed as the editor-in-chief the mathematical journal “Mathematical Notes” .
Stechkin was a professor of mathematics in Moscow State University
.
His honors include Chebyshev Award of the Russian Academy of Sciences
(1993)
His contribution to mathematics includes:
Mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....
who worked in theory of functions (especially in approximation theory
Approximation theory
In mathematics, approximation theory is concerned with how functions can best be approximated with simpler functions, and with quantitatively characterizing the errors introduced thereby...
) and number theory
Number theory
Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers as well...
.
His father (Boris Stechkin
Boris Stechkin
Boris Sergeyevich Stechkin was Russian scientist, engineer and inventor. He developed a theory of heat engines and was involved in construction of many Soviet aircraft engines...
) was a Soviet turbojet engine designer, academician. His great uncle, N.Ye. Zhukovsky, was the founding father of modern aero-
Aerodynamics
Aerodynamics is a branch of dynamics concerned with studying the motion of air, particularly when it interacts with a moving object. Aerodynamics is a subfield of fluid dynamics and gas dynamics, with much theory shared between them. Aerodynamics is often used synonymously with gas dynamics, with...
and hydrodynamics. His maternal grandfather, N.A. Shilov, was a notable chemist.
Stechkin studied mathematics in Moscow State University
Moscow State University
Lomonosov Moscow State University , previously known as Lomonosov University or MSU , is the largest university in Russia. Founded in 1755, it also claims to be one of the oldest university in Russia and to have the tallest educational building in the world. Its current rector is Viktor Sadovnichiy...
, he was a student of D. E. Menshov
Dmitrii Evgenevich Menshov
Dmitrii Evgenevich Menshov was a Russian mathematician known for his contributions to the theory of trigonometric series.He was a student of Nikolai Luzin. He was an advisor of Sergey Borisovich Stechkin. He received USSR State Prize in 1951...
. Stechkin received his Ph.D. in 1948, his thesis was titled “On the order of best approximations of continuous functions”.
Later he worked as a mathematician at Steklov Institute of Mathematics
Steklov Institute of Mathematics
Steklov Institute of Mathematics or Steklov Mathematical Institute is a research institute based in Moscow, specialized in mathematics, and a part of the Russian Academy of Sciences. It was established April 24, 1934 by the decision of the General Assembly of the Academy of Sciences of the USSR in...
in Moscow. He was the founder and first director of the department of the Institute in Yekaterinburg
Yekaterinburg
Yekaterinburg is a major city in the central part of Russia, the administrative center of Sverdlovsk Oblast. Situated on the eastern side of the Ural mountain range, it is the main industrial and cultural center of the Urals Federal District with a population of 1,350,136 , making it Russia's...
. Later this department became the Institute of mathematics and mechanics of the Ural branch of the Russian Academy of Sciences
Russian Academy of Sciences
The Russian Academy of Sciences consists of the national academy of Russia and a network of scientific research institutes from across the Russian Federation as well as auxiliary scientific and social units like libraries, publishers and hospitals....
.
Stechkin founded, and, for more than 20 years, headed as the editor-in-chief the mathematical journal “Mathematical Notes” .
Stechkin was a professor of mathematics in Moscow State University
Moscow State University
Lomonosov Moscow State University , previously known as Lomonosov University or MSU , is the largest university in Russia. Founded in 1755, it also claims to be one of the oldest university in Russia and to have the tallest educational building in the world. Its current rector is Viktor Sadovnichiy...
.
His honors include Chebyshev Award of the Russian Academy of Sciences
Russian Academy of Sciences
The Russian Academy of Sciences consists of the national academy of Russia and a network of scientific research institutes from across the Russian Federation as well as auxiliary scientific and social units like libraries, publishers and hospitals....
(1993)
His contribution to mathematics includes:
- generalization of Jackson's inequalityJackson's inequalityIn approximation theory, Jackson's inequality is an inequality bounding the value of function's best approximation by algebraic or trigonometric polynomials in terms of the modulus of continuity of its derivatives...
for all
spaces.