Ordinary implies ordinary Galois representations
Ordinary implies ordinary Galois representations
Let ) be an imaginary quadratic field, let be a non-Eisenstein maximal ideal of residue characteristic associated to a residual Galois representation , and suppose that for every . Let have parallel weight with , and let be the localized Hecke algebra. Ordinary Ordinary. There exists a continuous Galois representation
with the following properties: for , it is unramified at and the characteristic polynomial of is
for , is ordinary with eigenvalue the unit root of ; for and , its restriction to inertia is unipotent, with the stated Frobenius characteristic polynomial at ; for , under the stated invertibility, residual unramifiedness, and condition , one has ; and if and the level is prime to , then is finite flat. This asserts that the ordinary Hecke-theoretic data give rise to an ordinary Galois representation with the prescribed local properties. The statement is presented as the paper's main assumption on the existence of Galois representations; no resolution status is supplied in the source.
Sources & referencesView supporting material
Primary source
Frank Calegari, “Semistable modularity lifting over imaginary quadratic fields”, arXiv:1907.08700 (2019).
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