Non-abelian Leopoldt conjecture for ordinary completed cohomology

Let FF be a number field, pp a prime, nn a positive integer, UGLn(AF)U\subset\operatorname{GL}_n({\mathbb A}_F^\infty) a good subgroup, and mTordS(U){\mathfrak m}\subset{\mathbb T}^{S}_\text{ord}(U) a non-Eisenstein maximal ideal. Non-abelian Leopoldt conjecture.

dimΛ[1/p]Hord(U)m[1/p]=dimΛ[1/p]l0.\dim_{\Lambda[1/p]}H^\ast_\text{ord}(U)_{\mathfrak m}[1/p]=\dim\Lambda[1/p]-l_0.

This is the non-abelian analogue of Leopoldt's conjecture, phrased as a dimension formula for localized ordinary completed cohomology over the weight Iwasawa algebra. The source gives no resolution status.

Sources & referencesView supporting material

Primary source

Chandrashekhar Khare and Jack A. Thorne, “Potential automorphy and the Leopoldt conjecture”, arXiv:1409.7007 (2016).

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