The structural conjectures for the category A\mathcal A

Let F/kF/k be the field extension in the source, let m\mathfrak m be the object and C\mathcal C the category appearing in the source, let A\mathcal A be the category of admissible objects, and let ΩF/k1\Omega^1_{F/k} be the space of Kähler differentials. Structural conjectures. The following assertions are expected: for every q0q\geq 0, the functor

HomC(Fqm,)\operatorname{Hom}_{\mathcal C}(\otimes_F^q\mathfrak m,-)

is exact on A\mathcal A; every irreducible object of A\mathcal A is a direct summand of the tensor algebra

FΩF/k1;\bigotimes_F^{\bullet}\Omega^1_{F/k};

and A\mathcal A is equivalent to the category of “coherent” sheaves on Smk\mathfrak{Sm}_k. These assertions describe the expected exactness, generators, and geometric realization of the admissible category; the source gives no resolution.

Sources & referencesView supporting material

Primary source

M. Rovinsky, “Representations of field automorphism groups”, arXiv:math/0507388 (2006).

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