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math.NT2008
Square-free discriminants of Frobenius rings
Chantal David, Jorge Jimenez Urroz
Let be an elliptic curve over $\Q$. It is well known that the ring of endomorphisms of , the reduction of modulo a prime of ordinary reduction, is an order of the…
math.NT2007★ 2 cited
Small primitive roots and malleability of RSA moduli
Luis Dieulefait, Jorge Jimenez Urroz
In a paper of P. Paillier and J. Villar a conjecture is made about the malleability of an RSA modulus. In this paper we present an explicit algorithm refuting the conjecture. Concr…