Derived deformation rings allowing congruences]{Derived deformation rings allowing congruences
Number Theory
2021-08-31 v1
Abstract
We generalize a result of Galatius and Venkatesh which relates the graded module of cohomology of locally symmetric spaces to the graded homotopy ring of the derived Galois deformation rings, by removing certain assumptions, and in particular by allowing congruences inside the localized Hecke algebra.
Keywords
Cite
@article{arxiv.2108.13135,
title = {Derived deformation rings allowing congruences]{Derived deformation rings allowing congruences},
author = {Yichang Cai},
journal= {arXiv preprint arXiv:2108.13135},
year = {2021}
}