Oleg Zabluda's blog
Wednesday, August 02, 2017
 
Largest number of vectors with pairwise negative dot product
Largest number of vectors with pairwise negative dot product
"""
You can have m=n+1. Take the vertices of a regular simplex with centre at the origin.

You can't have m=n+2m=n+2. [Proof follows]
"""
https://mathoverflow.net/questions/31436/largest-number-of-vectors-with-pairwise-negative-dot-product
https://mathoverflow.net/questions/31436/largest-number-of-vectors-with-pairwise-negative-dot-product

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