Nikolai Chebotaryov
Encyclopedia
Nikolai Chebotaryov ( – 2 July 1947) was a noted Russian
Russian Empire
The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...

 and Soviet mathematician
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....

. He is best known for the Chebotaryov density theorem.

He was a student of Dmitry Grave
Dmitry Grave
Dmitry Aleksandrovich Grave was a Russian and Soviet mathematician.Naum Akhiezer, Nikolai Chebotaryov, Mikhail Kravchuk, and Boris Delaunay were among hisstudents.-Brief history:...

, a famous Ukrainian
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

 and Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n mathematician. Chebotaryov worked on the algebra of polynomials, in particular examining the distribution of the zeros. He also studied Galois theory
Galois theory
In mathematics, more specifically in abstract algebra, Galois theory, named after Évariste Galois, provides a connection between field theory and group theory...

 and wrote an influential textbook on the subject titled Basic Galois Theory.

14 May 2010, the memorial plaque of Nikolai Chebotaryov was unveiled on the main administration building of I.I. Mechnikov Odessa National University.

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