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Information × Registration Number 0207U002280, 0103U007902 , R & D reports Title Modules over group rings and their applications. Analytical and numerically-analytical methods of the theory of differential and differentially-functional eguations. popup.stage_title Head Gudivok Petro, Marynetc Vasylj, Registration Date 23-01-2007 Organization Uzhgorod National University popup.description2 The problems of the wildness of finite p-groups over some integral domains, on representations of the direct product of finite groups over complete valuation rings, on the set of non-isomorphic Sylow p-groups of the general linear group over the ring of algebraic integers have been studied. The new numerical-analytic methods for building the approximate solutions of the boundary value problems in the theory of ordinary differential equations including the boundary value problems with parameters are worked out. Some new problems of the theory of partial differential equations (theorems of the existing and uniqueness of the solutions are proved, the sufficient conditions for the constant sign are obtained) are investigated. constant sign.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close