Axiomatic etal maps and a theory of spectrum

We consider and develop the axioms introduced by A. Joyal that define an abstract notion of an etal class A of arrows in a Grothendieck topos E. The axioms are intended to be sufficient in the sense that the category of objects etal over the terminal object (and etal maps between them) should be a t...

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Detalles Bibliográficos
Autor principal: Dubuc, E.J.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00224049_v149_n1_p15_Dubuc
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