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math.NT2025
Isogeny graphs with level structures arrising from the Verschiebung map
Antonio Lei, Katharina Müller
We enhance an isogeny graph of elliptic curves by incorporating level structures defined by bases of the kernels of iterates of the Verschiebung map. We extend several previous res…
math.NT2025
On -towers of graph coverings arising from a constant voltage assignment
Antonio Lei, Katharina Müller
We investigate properties of -towers of graph coverings that arise from a constant voltage assignment. We prove the existence and uniqueness (up to isomorphisms) of s…