Authors classify extension groups for duals of p-adic representations of GL₂(ℚ_p) arising from generic Galois representations via p-adic local Langlands and prove vanishing of extensions between duals of reducible representations and supercuspidal isotypic components of étale cohomology of finite Dr
Berger,Représentations modulaires de GL2(Qp)et représentations galoisiennes de dimension2, in L
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A note on extensions of $p$-adic representations of $\mathrm{GL}_2(\mathbb{Q}_p)$
Authors classify extension groups for duals of p-adic representations of GL₂(ℚ_p) arising from generic Galois representations via p-adic local Langlands and prove vanishing of extensions between duals of reducible representations and supercuspidal isotypic components of étale cohomology of finite Dr