Components of moduli stacks of two-dimensional Galois representations
Forum of Mathematics, Sigma, Tome 12 (2024)

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In the article [CEGS20b], we introduced various moduli stacks of two-dimensional tamely potentially Barsotti–Tate representations of the absolute Galois group of a p-adic local field, as well as related moduli stacks of Breuil–Kisin modules with descent data. We study the irreducible components of these stacks, establishing, in particular, that the components of the former are naturally indexed by certain Serre weights.
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     author = {Ana Caraiani and Matthew Emerton and Toby Gee and David Savitt},
     title = {Components of moduli stacks of two-dimensional {Galois} representations},
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Ana Caraiani; Matthew Emerton; Toby Gee; David Savitt. Components of moduli stacks of two-dimensional Galois representations. Forum of Mathematics, Sigma, Tome 12 (2024). doi: 10.1017/fms.2024.4

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