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Information × Registration Number 0221U106152, 0108U010436 , R & D reports Title Structural properties of ploskostnykh counts with the set great number of points attainable on tore. popup.stage_title Head Donets Georgiy O., Доктор фізико-математичних наук Registration Date 28-10-2021 Organization Central Ukrainian National Technical University popup.description2  The research is to determine and study the structure and evaluate the genus of graph as a φ-image of the following φ-transformations: -some planar graph and a star given on a set of points with a reachability of more than 1; , some planar graph and graphs K4 or K2,3 on a set of points with a reachability number greater than 1; -graphs K3,3 or K5 and graphs K4 or K2,3 on the set of points with the number of reach 1. Product Description popup.authors popup.nrat_date 2021-10-28 Close