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Information × Registration Number 0206U002622, 0102U006592 , R & D reports Title Building and substantiation of analytic and numeric methods of investigation in the certain classes of differential equations in the functional spaces has been given. popup.stage_title Head Bigun Yaroslav Yosypovych, Registration Date 15-02-2006 Organization Yuri Fedkovych Chernivtsi National University popup.description2 The substantiation of the averaging method for certain multipoint systems has been given. The study of systems with impulse influence has been made. The solvability of the boundary value problems for nonlinear oscillatory systems with impulse parameter has been established. Also integral manifolds of nonlinear singular perturbed functional differential equations have been under investigation. The numerical methods for solving certain systems of differential equations have been developed, the equivalence criterion of two infinite order differential operators has been stated, the analysis of models for certain ecological and mechanical systems has been given. Product Description popup.authors popup.nrat_date 2020-04-02 Close