Logarithmic rigidity conjecture for étale motives

Let kk be a field with exponential characteristic, and let Λ\Lambda be an NN-torsion ring, where N>0N>0 is coprime to the exponential characteristic of kk. Let η\eta_\sharp denote the functor from the derived category of sheaves on the small logarithmic étale site to the category of effective logarithmic étale motives.

Logarithmic rigidity conjecture. The functor

η ⁣:D(Shv(kleˊt,Λ))DMlog,eˊteff(k,Λ)\eta_\sharp\colon \mathbf{D}(\operatorname{Shv}(k_{l\acute{e}t},\Lambda))\rightarrow \operatorname{DM}^{\mathrm{eff}}_{\log,\acute{e}t}(k,\Lambda)

is an equivalence.

This is a logarithmic analogue of Suslin–Voevodsky rigidity, predicting that effective logarithmic étale motives are recovered from complexes of sheaves on the small logarithmic étale site. The source gives no resolution of this conjecture.

Sources & referencesView supporting material

Primary source

Federico Binda, Doosung Park and Paul Arne Østvær, “Triangulated categories of logarithmic motives over a field”, arXiv:2004.12298 (2021).

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