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math.AC2014
The norm map of Witt vectors
Vigleik Angeltveit
We discuss a multiplicative version of the Verschiebung map of Witt vectors that we call the norm.
math.AC2014
Witt vectors and truncation posets
Vigleik Angeltveit
One way to define Witt vectors starts with a truncation poset . We generalize Witt vectors to truncation posets, and show how three types of maps of truncatio…