Potential automorphy of $${\text {GSpin}}_{2n+1}$$ GSpin 2 n + 1 -valued Galois representations
Mathematische Zeitschrift(2022)
Abstract
We prove a potential automorphy theorem for suitable Galois representations
$$\Gamma _{F^+} \rightarrow \mathrm {GSpin}_{2n+1}(\overline{\mathbb {F}}_p)$$
and
$$\Gamma _{F^+} \rightarrow \mathrm {GSpin}_{2n+1}({\overline{{\mathbb {Q}}}}_p)$$
, where
$$\Gamma _{F^+}$$
is the absolute Galois group of a totally real field
$$F^+$$
. We also prove results on solvable descent for
$$\mathrm {GSp}_{2n}(\mathbb {A}_{F^+})$$
and use these to put representations
$$\Gamma _{F^+} \rightarrow \mathrm {GSpin}_{2n+1}({\overline{{\mathbb {Q}}}}_p)$$
into compatible systems of
$$\mathrm {GSpin}_{2n+1}({\overline{{\mathbb {Q}}}}_l)$$
-valued representations.
MoreTranslated text
Key words
Galois representations,Automorphic representations,Langlands program,11F80,11F70
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