MathDB
0542 combo geo 5th edition Round 4 p2

Source:

May 6, 2021
combinatorics5th edition

Problem Statement

Given is a unit cube in space. Find the maximal integer nn such that there are nn points, satisfying the following conditions: (a) All points lie on the surface of the cube; (b) No face contains all these points; (c) The nn points are the vertices of a polygon.