New posts in Category Theory

Can the fundamental group detect all ways to not have a section?

What category is the universal property of the Free Group a diagram in?

Categories whose coproducts are not disjoint

Contravariant functor taking every finite group to an isomorphic group

Axiomatic definition of groups

What is the intuition behind pushouts and pullbacks in category theory?

Pullback in the category of graphs

Clarification on definition of a Sheaf

Categorical definition of Spectrum of a ring as a colimit?

Is there a name for this category associated to any functor between categories?