antipodal points

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antipodal points

[an¦tip·əd·əl ′pȯins]
(mathematics)
The points at opposite ends of a diameter of a sphere.
References in periodicals archive ?
3 in [18]) there exist two antipodal points of S having the same image.
2] be a partition of S into two Borel pieces such that no antipodal points of S lie in the same cell of the partition.
d] touches the boundary of Z in at least two antipodal points rw and -rw, w [member of] [S.