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Apr
15
answered Is there a more general obstruction to the existence of moduli spaces than the existence of automorphisms?
Apr
14
answered Why is the internal hom of a Kan complex also a Kan complex?
Apr
14
answered Representability criterion with universal element
Apr
13
answered Can We Say 'There Exists an Element' Without saying 'This One'?
Apr
9
answered What's up with this endofunctor $\mathbf{Aff}_k \rightarrow \mathbf{Aff}_k$?
Apr
9
answered The definition of the $false$ truth value
Apr
7
answered Is there a characterization of coverings in subcanonical pretopologies?
Apr
7
answered Sheaf cohomology of ringed space
Apr
3
answered Motivation for the definition of an infinitesimal object
Apr
2
answered Is Rel a topos?
Apr
2
answered Category Group has unique identity morphism
Mar
31
answered Inductive limit of A-algebras
Mar
24
answered Homotopy split monomorphisms
Mar
22
answered Equivalent categories are elementarily equivalent: Formalization?
Mar
17
answered When is the tensor product of a separable field extension with itself a domain?
Mar
16
answered Can a general version of the covariant powerset monad be derived from the universal property of power objects?
Mar
16
answered Does this property characterize monomorphisms?
Mar
15
answered An equivalence of categories which looks like Voevodsky's Univalence Axiom
Mar
15
answered Evaluating rational functions
Mar
12
answered How do I prove that $X$ is the pullback of this cospan?