Aleksei Georgievich Postnikov, Date of Birth, Place of Birth, Date of Death
TweetAleksei Georgievich Postnikov
Russian mathematician
Date of Birth: 
Place of Birth: Moscow, Russia
About Aleksei Georgievich Postnikov
- Aleksei Georgievich Postnikov (??????? ?????????? ?????????, 12 June 1921, Moscow – 22 March 1995) was a Russian mathematician, who worked on analytic number theory.
- He is known for the Postnikov character formula, which expresses the value of a Dirichlet character by means of a trigonometric function of a polynomial with rational coefficients.Postnikov's father was a high-ranking economic functionary who was arrested in 1938 and became a victim of Stalin's purges.
- Alexei Postnikov studied from 1939 at the Lomonosov University, interrupted by WW II, so that his degree was delayed until 1946.
- In 1949 he received his Russian candidate degree (Ph.D.) from Lomonosov University under Alexander Gelfond with thesis On the differential independence of Dirichlet series.
- From 1950 Postnikov was at the Steklov Institute in Moscow in the department of number theory, led by Ivan Vinogradov, who exerted a great influence on Postnikov, who was also influenced by the Leningrad school of number theory under Yuri Linnik.
- In 1955 Postnikov published his famous formula, now known as the Postnikov character formula.
- This was also the subject of his Russian doctorate (higher doctoral recognition) in 1956 (Investigation of the method of Vinogradov for trigonometric sums (in Russian)).
- He was later a senior scientist at the Steklov Institute. He also dealt with probability theory and Tauberian theorems in analysis. In 1966, with Vinogradov, he was a Plenary Speaker of the ICM in Moscow with talk Recent developments in analytic number theory.
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