In mathematics, a Witt vector is an infinite sequence of elements of a commutative ring. Ernst Witt showed how to put a ring structure on the set of Witt vectors, in such a way that the ring of Witt vectors W ( F p ) {\displaystyle W(\mathbb {F} _{p})} over the finite field of prime order p is isomorphic to Z p {\displaystyle \mathbb {Z} _{p}} , the ring of p-adic integers.
In mathematics, a Witt vector is an infinite sequence of elements of a commutative ring. Ernst Witt showed how to put a ring structure on the set of Witt vectors, in such a way that the ring of Witt vectors W ( F p ) {\displaystyle W(\mathbb {F} _{p})} over the finite field of prime order p is isomorphic to Z p {\displaystyle \mathbb {Z} _{p}} , the ring of p-adic integers.
Source: Wikipedia "Witt vector" · CC BY-SA 4.0
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