Mod pq Galois representations and Serre's conjecture, by Chandrashekhar Khare, Ian Kiming
We consider linear representations of the
Galois groups of number fields in 2 different characteristics
and examine conditions under which they arise simultaneously
from a motive.
Chandrashekhar Khare, Ian Kiming <shekhar@math.tifr.res.in, kiming@math.ku.dk>