Collection Topos à l'IHES
Organisateur(s)
Date(s)
12/05/2024
2/4 A crash course in topos theory : the big picture
De André Joyal
About half of the topos theory of SGA4 is devoted to categorical generalities. They are now subsumed by the modern theory of (locally) presentable categories. I will sketch this theory, stressing the results that are important for topos theory. The category of complete lattices and sup-preserving maps is a toy example of this theory.
