Euclidean space;
spherical set;
tetrahedron;
near polygon;
D O I:
10.1007/s12044-019-0466-z
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We describe a connection between a family of tetrahedrally closed spherical sets in Euclidean spaces and a family of point-line geometries called near polygons.