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Information × Registration Number 0216U002863, 0116U007159 , R & D reports Title Graphs and infinitesimal structures which are connected with metric spaces. popup.stage_title Head Dovgoshey Oleksiy Alfredovich, Registration Date 19-12-2016 Organization Institute of Applied Mathematics and Mechanics of National Academy of Sciences of Ukraine popup.description2 We obtain some results related to universal and minimal universal metric spaces. We also find conditions under which the isomorphism of representing trees is equivalent to the isometricity of corresponding finite ultrametric spaces. A class of finite ultrametric spaces which are rigid as much as possible was investigated. The criteria of belonging of finite ultrametric space to this class in terms of representing trees as well as in terms of diametrical graphs were found. The criterium of weak similarity of two spaces from the class of spaces which are rigid as much as possible was established.. Product Description popup.authors Білет Вікторія Вікторівна Петров Євген Олександрович Цимбал Марина Анатоліївна popup.nrat_date 2020-04-02 Close