English

Constructing semisimple p-adic Galois representations with prescribed properties

Number Theory 2007-05-23 v1

Abstract

In this paper we show that two dimensional (mod p) Galois representations satisfying mild hypotheses can be lifted to p-adic Galois representations ramified at infinitely many primes such that the characteristic polynomials of Frobenius at a density one set of unramified primes are defined over the rational integers. In particular we show that often one can "density one compatibly" lift mod p and mod q Galois representations.

Keywords

Cite

@article{arxiv.math/0309283,
  title  = {Constructing semisimple p-adic Galois representations with prescribed properties},
  author = {Chandrashekhar Khare and Michael Larsen and Ravi Ramakrishna},
  journal= {arXiv preprint arXiv:math/0309283},
  year   = {2007}
}

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32 pages