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Information × Registration Number 0217U006787, 0115U003234 , R & D reports Title Geometric problems ofthefunctiontheory and orthogonally additive operators in vector lattices popup.stage_title Head Maslyuchenko Volodymyr Kyrylovych, Доктор фізико-математичних наук Registration Date 21-12-2017 Organization Yuri Fedkovych Chernivtsi National University popup.description2 The problem of Mazur about the mixed derivatives from the "Scottish Book" was solved, a new generalization of Sierpinski's theorem on the equality of separately continuous functions was found, the diagonals of absolutely continuous functions were described, the construction of functions with these boundary values was performed, a general approach to the study of the set of points of continuity of separately continuous functions with values in completely regular spaces was developed and separately continuous functions with values in hemimetrizablesspaces, in particular, in Sorgenfrey line wasinvestigated. Product Description popup.authors Волошин Галина Аркадіївна Маслюченко Володимир Кирилович Маслюченко Олександр Володимирович popup.nrat_date 2020-04-02 Close