$\epsilon$-isomorphisms for rank one $(\phi ,\Gamma )$-modules over Lubin-Tate Robba rings

Abstract

Inspired by Nakamura's work (arXiv:1305.0880) on $\epsilon$-isomorphisms for $(\phi ,\Gamma )$-modules over (relative) Robba rings with respect to the cyclotomic theory, we formulate an analogous conjecture for $L$-analytic Lubin-Tate $({\phi }_L,{\Gamma }_L)$-modules over (relative) Robba rings for any finite extension $L$ of ${\mathbb{Q}}_p.$ In contrast to Kato's and Nakamura's setting, our conjecture involves $L$-analytic cohomology instead of continuous cohomology within the generalized Herr complex. Similarly, we restrict to the identity components of $D_{cris}$ and $D_{dR},$ respectively. For rank one modules of the above type or slightly more generally for trianguline ones, we construct $\epsilon$-isomorphisms for their Lubin-Tate deformations satisfying the desired interpolation property.

arXiv commentPublished version, page number different from published version

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