Nikolai Efimov
Encyclopedia
Nikolai Vladimirovich Efimov ' onMouseout='HidePop("84503")' href="/topics/Orenburg">Orenburg
— 16 October 1982, Moscow
) was a Soviet mathematician
. He is most famous for his work on generalized Hilbert
's problem on surfaces of negative curvature
.
Efimov grew up in Rostov-on-Don
and graduated from Rostov State University, where he studied with Morduhai-Boltovskoi
. He worked at Voronezh State University
from 1934 to 1941. He taught at the Moscow State University
since 1946. Aleksei Pogorelov
was one of his students there.
He received the Lobachevsky Medal
in 1951 and Lenin Prize
in 1966. He was an invited plenary speaker at the International Congress of Mathematicians
in Moscow
, 1966. He became a corresponding member of the Soviet Academy of Sciences
in 1979.
Orenburg
Orenburg is a city on the Ural River and the administrative center of Orenburg Oblast, Russia. It lies southeast of Moscow, very close to the border with Kazakhstan. Population: 546,987 ; 549,361 ; Highest point: 154.4 m...
— 16 October 1982, Moscow
Moscow
Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...
) was a 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 most famous for his work on generalized Hilbert
David Hilbert
David Hilbert was a German mathematician. He is recognized as one of the most influential and universal mathematicians of the 19th and early 20th centuries. Hilbert discovered and developed a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of...
's problem on surfaces of negative curvature
Curvature
In mathematics, curvature refers to any of a number of loosely related concepts in different areas of geometry. Intuitively, curvature is the amount by which a geometric object deviates from being flat, or straight in the case of a line, but this is defined in different ways depending on the context...
.
Efimov grew up in Rostov-on-Don
Rostov-on-Don
-History:The mouth of the Don River has been of great commercial and cultural importance since the ancient times. It was the site of the Greek colony Tanais, of the Genoese fort Tana, and of the Turkish fortress Azak...
and graduated from Rostov State University, where he studied with Morduhai-Boltovskoi
D. D. Morduhai-Boltovskoi
Dmitry Dmitrievich Morduhai-Boltovskoi was a Russian mathematician, best known for his work in analysis, differential Galois theory, number theory, hyperbolic geometry, and history of mathematics...
. He worked at Voronezh State University
Voronezh State University
Voronezh State University is one of the main universities in Central Russia.The university was founded in 1918, when some staff, students and property from the University of Tartu were transferred by the Soviet government because of the German occupation of Estonia.The University has 17 departments...
from 1934 to 1941. He taught at the 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...
since 1946. Aleksei Pogorelov
Aleksei Pogorelov
Aleksei Vasil'evich Pogorelov , was a Soviet and Ukrainian mathematician. He was most famous for his contributions to convex and differential geometry...
was one of his students there.
He received the Lobachevsky Medal
Lobachevsky Medal
The Lobachevsky Prize, awarded by the Russian Academy of Sciences, and the Lobachevsky Medal, awarded by the Kazan State University, are mathematical awards in honor of Nikolai Ivanovich Lobachevsky.-History:...
in 1951 and Lenin Prize
Lenin Prize
The Lenin Prize was one of the most prestigious awards of the USSR, presented to individuals for accomplishments relating to science, literature, arts, architecture, and technology. It was created on June 23, 1925 and was awarded until 1934. During the period from 1935 to 1956, the Lenin Prize was...
in 1966. He was an invited plenary speaker at the International Congress of Mathematicians
International Congress of Mathematicians
The International Congress of Mathematicians is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union ....
in Moscow
Moscow
Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...
, 1966. He became a corresponding member of the Soviet 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....
in 1979.