Alexander Boichuk
   HOME

TheInfoList



OR:

Oleksandr Andriiovych Boichuk, sometimes Alexander Boichuk (; 30 June 1950 – 20 June 2024) was a Ukrainian mathematician, doctor of physical and mathematical sciences, professor,
corresponding member The corresponding member is one of the possible membership types in some organizations, especially in the learned societies and scientific academies. This title existed or exist in the Soviet Union, GDR, Polish People's Republic, Czechoslovak S ...
of the
National Academy of Sciences of Ukraine The National Academy of Sciences of Ukraine (NASU; , ; ''NAN Ukrainy'') is a self-governing state-funded organization in Ukraine that is the main center of development of Science and technology in Ukraine, science and technology by coordinatin ...
(since 2012), head of the laboratory boundary-value problems of differential equations of the
Institute of Mathematics of the National Academy of Sciences of Ukraine The Institute of Mathematics of the National Academy of Sciences of Ukraine () is a government-owned research institute in Ukraine that carries out basic research and trains highly qualified professionals in the field of mathematics. It was founded ...
, was awarded the
State Prize of Ukraine in Science and Technology State most commonly refers to: * State (polity), a centralized political organization that regulates law and society within a territory **Sovereign state, a sovereign polity in international law, commonly referred to as a country **Nation state, a ...
and Mitropolskiy Prize (2013).Про присудження Національною академією наук України премій імені видатних учених України за підсумками конкурсу 2012 р.
/ref> Boichuk was an expert on the theory of the
boundary value problem In the study of differential equations, a boundary-value problem is a differential equation subjected to constraints called boundary conditions. A solution to a boundary value problem is a solution to the differential equation which also satis ...
s with the normally solvable operators in the linear part. For the first time defined the conditions for the solvability and spent the classification of the resonant cases a wide class of nonlinear boundary value problems for systems of ordinary differential and
difference equation In mathematics, a recurrence relation is an equation according to which the nth term of a sequence of numbers is equal to some combination of the previous terms. Often, only k previous terms of the sequence appear in the equation, for a parameter ...
s, delay equations, equations with impulsive and singularly perturbed equations for which the proposed use of the apparatus of generalized inverse operators. Boichuk was the author of over 110 scientific papers including three monographs. Under his guidance were prepared 2 doctors of sciences and 13 candidates of sciences. Boichuk died on 20 June 2024, at the age of 73.Академік НАН України О.А.Бойчук (30.06.1950-20.06.2024)


Books

* "Generalized Inverse Operators and Fredholm Boundary Value Problems" VSP. Utrecht-Boston. 2004. 317 p.( with Samoilenko A.M.) * Constructive methods of analysis of the boundary value problems. – Kyiv, ”Naukova dumka”. – 1990. – 96 pp. ( in Russian, English summary). * Generalized inverse operators and Noether boundary-value problems, – Kyiv, Inst. Math. Nat. Acad. Sci. Ukraine. – 1995. – 320 pp. ( in Russian, with Zhuravlev V.F, Samoilenko A.M.)


References


External links


Personal page on the website of the Institute of Mathematics

Scientific Tree
*
Encyclopedia of Modern Ukraine The ''Encyclopedia of Modern Ukraine'' (), abbreviated EMU, is a multi-volume national encyclopedia of Ukraine. It is an academic project of the Institute of Encyclopaedic Research of the National Academy of Sciences of Ukraine. Today, the refere ...
. Kyiv, 2004. m 3, p. 209. * Kiїvsky natsіonalny unіversitet іmenі Taras Shevchenko. T.ІІ. Way Uspіhu. Kyiv, 2006, p. 99. * Fakulta Prirodnych Vied Zilinskej Univerzity v Ziline. 1998–2008. Zilina 2008, p. 74–75. {{DEFAULTSORT:Boichuk, Oleksandr 1950 births 2024 deaths Scientists from Kropyvnytskyi 21st-century Ukrainian mathematicians Soviet mathematicians Laureates of the State Prize of Ukraine in Science and Technology Corresponding members of the National Academy of Sciences of Ukraine