Gouvêa's generalization of Mazur's dimension conjecture

Let pp be a prime, KK a number field, SS a finite set of primes of KK, and ρ:GK,SGLn(F)\overline{\rho}:G_{K,S}\to \operatorname{GL}_{n}(\mathbb{F}) a continuous absolutely irreducible representation over a finite field F\mathbb{F} of characteristic pp. Let RρR_{\overline{\rho}} be its universal deformation ring, let ad:=ad(ρ)\operatorname{ad}:=\operatorname{ad}(\overline{\rho}), and write hi():=dimFHi()h^{i}(-):=\dim_{\mathbb{F}}H^{i}(-). Gouvêa's generalization. Mazur's dimension conjecture should hold without the condition that SS contain the primes above pp and the archimedean primes. This extends Mazur's proposed dimension formula to arbitrary finite sets of primes; the source cites Gouvêa's proposal and gives no resolution of the generalization.

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Primary source

Yufan Luo, “On the second partial Global Euler-Poincare characteristics for Galois cohomology”, arXiv:2509.03218 (2026).

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