Geodesic
The least subtopos containing the discrete skeleton of Ω
Theory and applications of categories, Hofstra Festschrift, Tome 42 (2024), pp. 172-179 Cet article a éte moissonné depuis la source Theory and Applications of Categories website

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Let p: E → S be a pre-cohesive geometric morphism. We show that the least subtopos of E containing both the subcategories p^* : S → E and p^! : S → E exists, and that it coincides with the least subtopos containing p^*2, where 2 denotes the subobject classifier of S.

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Classification : 18B25, 18F10
Keywords: Topos, Axiomatic Cohesion, Aufhebung 
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     author = {M. Menni},
     title = {The least subtopos containing the  discrete skeleton of {\ensuremath{\Omega}}},
     journal = {Theory and applications of categories},
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     year = {2024},
     volume = {42},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2024_42_a7/}
}
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M. Menni. The least subtopos containing the  discrete skeleton of Ω. Theory and applications of categories, Hofstra Festschrift, Tome 42 (2024), pp. 172-179. http://geodesic.mathdoc.fr/item/TAC_2024_42_a7/