A universal group-theoretic characterisation of $p$-typical Witt vectors

Supriya Pisolkar, Biswanath Samanta

For a prime $p$ and a commutative ring $R$ with unity, let $W(R)$ denote the group of $p$-typical Witt vectors. The group $W(R)$ is endowed with a Verschiebung operator $V: W(R)\to…