Vyacheslav Ivanovich Lebedev (russian: Вячеслав Иванович Лебедев) (January 27, 1930 – March 22, 2010) was a

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

and

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

, known for his work on numerical analysis.

Career

Lebedev was a Ph.D. student of Sobolev. He worked at the

Kurchatov Institute The Kurchatov Institute (russian: Национальный исследовательский центр «Курчатовский Институт», 'National Research Centre "Kurchatov Institute) is Russia's leading research and developmen ...

and Soviet/

Russian Academy of Sciences The Russian Academy of Sciences (RAS; russian: Росси́йская акаде́мия нау́к (РАН) ''Rossíyskaya akadémiya naúk'') consists of the national academy of Russia; a network of scientific research institutes from across t ...

, and taught students at the

Moscow State University M. V. Lomonosov Moscow State University (MSU; russian: Московский государственный университет имени М. В. Ломоносова) is a public research university in Moscow, Russia and the most prestigious ...

and

Moscow Institute of Physics and Technology Moscow Institute of Physics and Technology (MIPT; russian: Московский Физико-Технический институт, also known as PhysTech), is a public research university located in Moscow Oblast, Russia. It prepares speciali ...

. He authored over a hundred papers and several books, most noticeably "Numerical methods in the theory of neutron transport" jointly with

Gury Marchuk Gury Ivanovich Marchuk (russian: Гурий Иванович Марчук; 8 June 1925 – 24 March 2013) was a Soviet and Russian scientist in the fields of computational mathematics, and physics of atmosphere. Academician (since 1968); the ...

and "Functional Analysis in Computational Mathematics," based on his lectures. He graduated over 15 Ph.D.'s.

Lebedev quadrature In numerical analysis, Lebedev quadrature, named after Vyacheslav Ivanovich Lebedev, is an approximation to the surface integral of a function over a three-dimensional sphere. The grid is constructed so to have octahedral rotation and inversion sy ...

has become one of the popular methods of integration on a sphere.

Areas of expertise

He worked in many areas of computational and applied mathematics, ranging from software development for nuclear reactors modeling to approximation by polynomials, from quadrature on a sphere to numerical solution of stiff for which he developed explicit Chebyshev methods called DUMKA,

systems A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and express ...

of PDEs, from

domain decomposition In mathematics, numerical analysis, and numerical partial differential equations, domain decomposition methods solve a boundary value problem by splitting it into smaller boundary value problems on subdomains and iterating to coordinate the soluti ...

and Poincaré–Steklov operators to

Finite difference method In numerical analysis, finite-difference methods (FDM) are a class of numerical techniques for solving differential equations by approximating derivatives with finite differences. Both the spatial domain and time interval (if applicable) are di ...

s, from iterative solvers to parallel computing. He even contributed to finding the roots of a cubic equation.

Awards

He was a recipient of the

Soviet State Award The USSR State Prize (russian: links=no, Государственная премия СССР, Gosudarstvennaya premiya SSSR) was the Soviet Union's state honor. It was established on 9 September 1966. After the dissolution of the Soviet Union, t ...

for developing mathematical methods of particle transport theory in 1987 and Chebyshev Gold medal (russian: :ru:Золотая медаль имени П. Л. Чебышева) in 2002–03.

Notes

* http://www.netlib.org/na-digest-html/10/v10n13.html#1 Vyacheslav Ivanovich Lebedev, January 27, 1930 – March 22, 2010

References

* * *

External links

*
Vyacheslav Lebedev — scientific works on the website Math-Net.Ru
(In Russian)

(In Russian) Russian mathematicians Soviet mathematicians Numerical analysts Moscow State University alumni 1930 births 2010 deaths {{Russia-mathematician-stub