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math.NT2016★ 1 cited
On the symplectic type of isomorphims of the p-torsion of elliptic curves
Nuno Freitas, Alain Kraus
Let be a prime. Let and be elliptic curves with isomorphic -torsion modules and . Assume further that either (i) every $G…
math.NT2016
An application of the symplectic argument to some Fermat-type Equations
Nuno Freitas, Alain Kraus
Let be a prime number. In the early 2000s, it was proved that the Fermat equations with coefficients \[3x^p + 8y^p + 21z^p =0\quad \text{ and } \quad 3x^p + 4y^p + 5z^p=0 \] do…