作者: P. W. Fowler , T. Tarnai
DOI:
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摘要: varies from the maximum antipodal packingradius to minimum covering radius. These cases exhibit sequences ofsymmetry- and edge-number transitions in contact polyhedra, which, general,differfromthoseoftheunconstrainedproblemwherecentrosymmetryisnotenforced.New arrangements are conjectured for 4, 5 7 pairs:they a hexagonal bipyramid,