Denote by C the family of all configurations C of N>1 distinct
points on the sphere S2, and by H the family of all closed hemispheres H
of S2. Compute:
H∈HmaxC∈Cmin∣H∩C∣, H∈HminC∈Cmax∣H∩C∣
C∈CmaxH∈Hmin∣H∩C∣ and C∈CminH∈Hmax∣H∩C∣. geometry3D geometryspherecombinatorics proposedcombinatorics