Daniele Taufer

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20232026

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math.NT2024

The Hessian of elliptic curves as a Lattès map

Marzio Mula, Federico Pintore, Daniele Taufer

We prove that the Hessian transformation of elliptic curves, both as an action on $j$ -invariants and on the Hesse pencil, is a rigid Lattès map fitting into a reduced diagram, henc…

math.NT2024

Elliptic curves over Hasse pairs

Eleni Agathocleous, Antoine Joux, Daniele Taufer

We call a pair of distinct prime powers $(q_{1}, q_{2}) = (p_{1}^{a_{1}}, p_{2}^{a_{2}})$ a Hasse pair if $∣ q_{1} - q_{2} ∣ \leq 1$ . For such pairs, we study the relation between the set…