English

The Fermat-type equations x^5 + y^5 = 2z^p or 3z^p solved through Q-curves

Number Theory 2011-03-29 v1

Abstract

We solve the Diophantine equations x5+y5=dzpx^5 + y^5 = dz^p with d=2,3d=2, 3 for a set of prime numbers of density 1/4, 1/2, respectively. The method consists in relating a possible solution to another Diophantine equation and solving the later by using Q-curves and a generalized modular technique as in work of Ellenberg and Dieulefait-Jimenez along with some new techniques for eliminating newforms.

Keywords

Cite

@article{arxiv.1103.5388,
  title  = {The Fermat-type equations x^5 + y^5 = 2z^p or 3z^p solved through Q-curves},
  author = {Luis Dieulefait and Nuno Freitas},
  journal= {arXiv preprint arXiv:1103.5388},
  year   = {2011}
}