Local Langlands correspondence, local factors, and zeta integrals in analytic families

Abstract

We study the variation of the local Langlands correspondence for ${\mathrm{GL}}_n$ in characteristic-zero families. We establish an existence and uniqueness theorem for a correspondence in families, as well as a recognition theorem for when a given pair of Galois- and reductive-group- representations can be identified as local Langlands correspondents. The results, which can be used to study local-global compatibility questions along eigenvarieties, are largely analogous to those of Emerton, Helm, and Moss on the local Langlands correspondence over local rings of mixed characteristic. We apply the theory to the interpolation of local zeta integrals and of $L$- and $\epsilon$-factors.

arXiv comment28 pages. Several corrections and improvements (main results unchanged)

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• Automorphic period and the central value of Rankin--Selberg L-function
• Whittaker models and the integral Bernstein center for GL_n
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Cited by in corpus (4)

• The universal $p$-adic Gross-Zagier formula
• $p$-adic L-functions via local-global interpolation: the case of ${\mathrm{GL}}_2\times \mathrm{GU}(1)$
• Families of Canonical Local Periods on Spherical Varieties
• Change of coefficients in the $p\ne \ell$ local Langlands correspondence for $G{L}_n$