MathDB
TOT 006 1980 Spring S3 30 vectors in space, <45^o angle

Source:

August 16, 2019
vectorcombinatorial geometrycombinatoricsanglesgeometry

Problem Statement

We are given 3030 non-zero vectors in 33 dimensional space. Prove that among these there are two such that the angle between them is less than 45o45^o.