Kissing number for $\mathbb{R}^{7}$
The maximum number of non-overlapping unit spheres that can touch a central unit sphere in $\mathbb{R}^{7}$.
Lower bound:
$126$
Upper bound:
$134$
Updates
-
Lower bound: $126$
Reference unknown
[via Kissing number - Wikipedia] -
Upper bound: $134$
Reference unknown
[via Kissing number - Wikipedia]