Higher a-numbers in ${\mathbf{Z}}_p$-towers via Counting Lattice Points

Jeremy Booher, Jack Hsieh, Rakesh Rivera +3

Booher, Cais, Kramer-Miller and Upton study a class of ${\mathbf{Z}}_p$-tower of curves in characteristic $p$ with ramification controlled by an integer $d$. In the special case that…