Aleksandr Yakovlevich Khinchin (Russian: Алекса́ндр Я́ковлевич Хи́нчин, French: Alexandre Khintchine), July 19, 1894 – November 18, 1959, was a Sovietmathematician and one of the most significant contributors to the Soviet school of probability theory.
Due to romanization conventions, his name is sometimes written as "Khinchin" and other times as "Khintchine".
Life and career
He was born in the village of Kondrovo, Kaluga Governorate, Russian Empire. While studying at Moscow State University, he became one of the first followers of the famous Luzin school. Khinchin graduated from the university in 1916 and six years later he became a full professor there, retaining that position until his death.
Khinchin's early works focused on real analysis. Later he applied methods from the metric theory of functions to problems in probability theory and number theory. He became one of the founders of modern probability theory, discovering the law of the iterated logarithm in 1924, achieving important results in the field of limit theorems, giving a definition of a stationary process and laying a foundation for the theory of such processes.
Mathematical Foundations of Quantum Statistics, Mineola, N.Y. : Dover Publications, 1998, ISBN0-486-40025-5 (first published in Moscow and Leningrad, 1951; trans. in 1960 by Irwin Shapiro)[5]
Mathematical Foundations of Information Theory, Dover Publications, 1957, ISBN9780486604343[6]
^Gnedenko, B. V. (January 1960). "Alexander Yakovlevich Khinchin – Obituary". Theory of Probability & Its Applications. 5 (1). Translated by Silverman, R. A.: 1–4. doi:10.1137/1105001.