New posts in category-theory

Explicit examples of (co)limit arguments in other fields

What is a good category for probability theory?

Is there an abelian category of topological groups?

Why can I choose to work in a strict monoidal category without loss of generality?

What of the "Sets, Classes, and Categories" approach to the foundations?

a group is not the union of two proper subgroups - how to internalize this into other categories?

The Category of Small Categories: a Zoo of Functors.

Category-Theoretic relation between Orbit-Stabilizer and Rank-Nullity Theorems

Coherence for symmetric monoidal categories

Need construction for coequalizer in $\mathbf{Poset}$

Equalizers by pullbacks and products

Can we simultaneously freely adjoin both limits and colimits to a category?

Why doesn't the definition of a category require an explicit notion of morphisms equality?

What can't be studied with Category Theory

Does the following property of the direct limit of a direct system follow from the axioms for a direct limit?

$F_2\circ F_1\dashv G_1\circ G_2$ and $F_2\dashv G_2$ but not $F_1\dashv G_1$

A push-out of a pull-back

Why the octahedral axiom?

Principal Bundle and Cocycle

Yoneda lemma as a generalisation of Cayley's theorem