Newton slopes for Artin-Schreier-Witt towers

Christopher Davis, Daqing Wan, Liang Xiao

We fix a monic polynomial $f(x)\in {\mathbb{F}}_q[x]$ over a finite field and consider the Artin-Schreier-Witt tower defined by $f(x)$; this is a tower of curves $\cdots \to C_m \to…