A characterization of finite étale morphisms in tensor triangular
geometryArticle
Auteurs : Beren Sanders
0000-0002-9550-6447
Beren Sanders
We provide a characterization of finite étale 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).