1. Luis V. Dieulefait, Computing the level of a modular rigid Calabi-Yau threefold, Exp. Math 13 (2004), no. 2, 165-169.
  2. Luis V. Dieulefait, Solving Diophantine equations x4+y4=qzp, Acta Arith. 117 (2005), no. 3, 207–211.[MR]
  3. Luis Dieulefait, E. Gonzalez-Jimenez, and J. Jimenez Urroz, On fields of definition of torsion points of elliptic curves with complex multiplication, preprint (2009).[arXiv]
  4. Luis Dieulefait and Xavier Taixes i Ventosa, Congruences between modular forms and lowering the level mod ln, Journal de Theorie des Nombres de Bordeaux 31 (2009), no. 1, 109–118.[arXiv]