Crystalline liftings and weight part of Serre's conjecture
arXiv:1504.01233
Abstract
We prove some new cases of weight part of Serre's conjectures for mod Galois representations associated to automorphic representations on unitary groups . The approach is a generalization of the work of Gee-Liu-Savitt, namely, we study reductions of certain crystalline representations, as well as crystalline lifts of these reductions.
Final version