A characterization of finite \'etale morphisms in tensor triangular geometry

We provide a characterization of finite \'etale morphisms in tensor triangular geometry. They are precisely those functors which have a conservative right adjoint, satisfy Grothendieck--Neeman duality, and for which the relative dualizing object is trivial (via a canonically-defined map).

Dades bibliogràfiques

Autor principal:	Beren Sanders
Format:	Artigo
Idioma:	Inglês
Publicat:	Association Epiga 2022-10-01
Col·lecció:	Épijournal de Géométrie Algébrique
Matèries:	mathematics - category theory mathematics - algebraic geometry mathematics - algebraic topology
Accés en línia:	https://epiga.episciences.org/7641/pdf
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