Boris Levitan
Encyclopedia
Boris Levitan was a 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....

 known in particular for his work on almost periodic functions, and Sturm–Liouville operators, especially, on inverse scattering
Inverse scattering transform
In mathematics, the inverse scattering transform is a method for solving some non-linear partial differential equations. It is one of the most important developments in mathematical physics in the past 40 years...

.

Life

Boris Levitan was born in Berdyansk (now Belarus
Belarus
Belarus , officially the Republic of Belarus, is a landlocked country in Eastern Europe, bordered clockwise by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Its capital is Minsk; other major cities include Brest, Grodno , Gomel ,...

), and grew up in Kharkov. He graduated from Kharkov University in 1936; in 1938, he submitted his PhD thesis "Some Generalization of Almost Periodic Function" under the supervision of Naum Akhiezer. Then he defended the habilitation thesis "Theory of Generalized Translation Operators".

He was drafted into the army at the beginning of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 in 1941, and served until 1944. From 1944 to 1961 he worked at the Dzerzhinsky Military Academy, and from 1961 in Moscow University. During the last years of his life, he worked in the University of Minnesota
University of Minnesota
The University of Minnesota, Twin Cities is a public research university located in Minneapolis and St. Paul, Minnesota, United States. It is the oldest and largest part of the University of Minnesota system and has the fourth-largest main campus student body in the United States, with 52,557...

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