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Information × Registration Number 0206U002411, 0104U002129 , R & D reports Title Arithmetic, geometric and logic problems of the theory of algebraic structures popup.stage_title Head Komarnitskyi Mykola Yaroslavovych, Registration Date 07-02-2006 Organization Ivan Franko Lviv National University popup.description2 A question on comlementability of subgroups in adjoint groups is investigated. A structure of multipicative group of semiperfect rings is described. A theory of diagonalization of matrices over different classes of rings of finite stable range is built. A homological classification of semisimple and perfect rings is given. It is solved an inverse n-point problem for evolutional equation, operator of which is a generator of semigroup of a class C0. Product Description popup.authors popup.nrat_date 2020-04-02 Close