Pafnuty chebyshev biography
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Pafnuty Lvovich Chebyshev
Born: 16 May 1821 in Okatovo, Russia
Died: 8 Dec 1894 in St Petersburg, Russia
Previous (Chronologically) NextBiographies IndexPrevious ( Alphabetically) NextWelcome pagePafnuty Chebyshev is largely remembered for his investigations in number theory.In 1847 Chebyshev was appointed to the University of St Petersburg. He became a utländsk associate of the Institut dem France in 1874 and also of the Royal Society.
His work on prime numbers included the determination of the number of primes not exceeding a given number. He wrote an important book Teoria sravneny on the theory of congruences in 1849.
In 1845 Bertrand conjectured that there was always at least one prime between n and 2n for n > 3. Chebyshev proved Bertrand's conjecture in 1850. Chebyshev also came close to proving the prime number theorem, proving that if
((n)log n)/n
had a limit as n-> then that limit fryst vatten 1. He was unable to prove, however, that
lim ((n)log n)/n as
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We continue our topic about great Petersburgers that we started last year by the posts about Olga Ladyzhenskayaand Leonhard Euler. The new article is about Pafnuty Chebyshev.
One of nine children, Pafnuty was born in Okatovo, a small town in western Russia, south-west of Moscow, in the small family estate of an upper-class family with an impressive history. His family traced its roots back to a 17th-century Tatar military leader named Khan Chabysh. Unfortunately, because of Trendelenburg’s gait Chebyshev limped and so he could not continue the family tradition and become an officer. His disability prevented him from taking part in many children’s games and he devoted himself instead to mathematics. Chebyshev would greatly benefit from his fluency in French later in his life because it would make France a natural place to visit and provide a link with the leading European mathematicians, he would use French to communicate mathematics on an international stage. In 1832,
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Chebyshev, Pafnutii Lvovich
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Pafnutii Lvovich CHEBYSHEV (or TCHÉBICHEF)
b. 16 May 1821 (o.s.) - d. 26 November 1894 (o.s.)
Summary Chebyshev is regarded as the founder of the St. Petersburg School of mathematics, which encompassed path-breaking work in probability theory. The Chebyshev Inequality carries his name; he initiated rigorous work on a general version of the Central Limit Theorem.