Torsion local-global compatibility at
Torsion local-global compatibility at
Assume Conjecture 5.4. Let be a non-Eisenstein maximal ideal. For , set and . Let and be the corresponding framed and potentially crystalline deformation rings, let be the specified integral Bernstein-centre subring, and let denote the maps appearing in the diagram. Torsion local-global compatibility at . For every , there is a necessarily unique dotted arrow making the diagram commutative:
\begin{tikzcd} R^{\Box}_{\overline{\rho}_v} \arrow{r}{\rho_v} \arrow[two heads]{d}{} &\mathbf{T}^{T,\lambda,\tau}(K^p)_{\mathfrak{m}} \\ R^{\lambda_v,\preceq \tau_v}_{\overline{\rho}_v} \arrow[hook]{d}{} \arrow[dotted]{ur}{} &\mathfrak{z}_{\lambda_v,\tau_v}^{\circ,\operatorname{int}}\arrow{u}[swap]{\operatorname{nat}}\arrow{l}{\eta\mid_{\mathfrak{z}_{\lambda_v,\tau_v}^{\circ,\operatorname{int}}}}\arrow[hook]{d}{}\\ R^{\lambda_v,\preceq\tau_v}_{\overline{\rho}_v}[1/p]&\arrow{l}{\eta} \mathfrak{z}_{\Omega_v}. \end{tikzcd}This conjecture is the proposed torsion local-global compatibility statement at places above : the local Galois deformation and Bernstein-centre parameters should factor compatibly through the localized global Hecke algebra. Its status is not resolved in the supplied text.
Sources & referencesView supporting material
Primary source
Bence Hevesi, “Ordinary parts and local-global compatibility at =p”, arXiv:2311.13514 (2024).
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