New posts in Ct.Category Theory

Studying higher categories from the bottom up

A very elementary question on the definition of sheaf on a site

Example of an inverse system which suddenly "jumps" in size in a specific "controlled" way?

Do filtered colimits commute with finite limits in the category of pointed sets?

Is the forgetful functor $\mathrm{Mod}_R \mathrm{Sp} \rightarrow \mathrm{Sp}$ faithful?

Trees in chain complexes

How to characterize $E_n$ morphisms from $\mathrm{Mod}(A)$ to $\mathrm{Mod}(B)$?

Non-commutative duality I: Which C*-algebras are (isomorphic to a) convolution algebra?

An intelligent ant living on a torus or sphere – Does it have a universal way to find out?

Decomposing a (co)limit by decomposing the indexing diagram