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Results tagged with ct.category-theory
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user 39955
Enriched categories, topoi, abelian categories, monoidal categories, homological algebra.
7
votes
1
answer
213
views
Tietze transformations for sites of toposes
I have read that people think of a site as a presentation of the corresponding sheaf topos. For instance, on page 7 of this text by Caramello: as Grothendieck observed himself, a site of definition fo …
- 163
7
votes
What was Burroni's sketch for topological spaces?
The reference for Burroni's sketch of topological spaces is Comptes rendus de l'académie des sciences, 27 juillet 1970 (tome 271), which amazingly can be found online.
- 163
2
votes
Tensor schemes "with relations"
I guess you are essentially after the notion of computad (also called polygraph) which allows for generators in arbitrary dimensions. In particular, those generators can be seen as relations starting …
- 163