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On local Galois deformation rings

Gebhard Böckle, Ashwin Iyengar, Vytautas Paškūnas

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Source: Crossref

Published: Jan 1, 2023

DOI: 10.1017/fmp.2023.25

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Source abstract

Abstract We show that framed deformation rings of mod p representations of the absolute Galois group of a p -adic local field are complete intersections of expected dimension. We determine their irreducible components and show that they and their special fibres are normal and complete intersection. As an application, we prove density results of loci with prescribed p -adic Hodge theoretic properties.

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On local Galois deformation rings — Mathematical Frontier Network