We provide an expository proof of the fact that the prime to $p$ \'etale fundamental group of a connected normal quasi-projective scheme remains invariant upon base change between algebraically closed fields of characteristic $p$.
Sums-of-Squares Formulas over Algebraically Closed Fields
tt-geometry of Tate motives over algebraically closed fields
Hochschild homology of mod-$p$ motivic cohomology over algebraically closed fields
![QR code for arXiv:2005.09690 [math.AG]](http://oss.arxitics.com/images/favicon.svg)