Category of -categories.
Category of commutative groupoids is binding
Category theory based on combinatory logic.
Category-theoretic models of linear Abadi & Plotkin logic.
Cauchy completion in category theory
Cauchy-completion and the associated sheaf
CCD lattices in presheaf categories.
Čech extensions and localization of homotopy functors
Čech methods and the adjoint functor theorem
Čech-Stone-like compactifications for general topological spaces
The problem whether every topological space has a compactification such that every continuous mapping from into a compact space has a continuous extension from into is answered in the negative. For some spaces such compactifications exist.
Cellular Actions and Groups of Finite Quasi-Projective Dimension.
Central extensions and reciprocity laws
Central extensions in Mal'tsev varieties.
Centrality and normality in protomodular categories.
Centrally splitting radicals
Chain complexes and stable categories.
Chain Equivalences and Schanuel's Lemma.
Chain functors with isomorphic homology.
Chain homotopy pullbacks and pushouts
Change of base, Cauchy completeness and reversibility.