Catégories qualifiables et catégories esquissables
Categories with slicing.
Categories with Ultraproducts
Category theory based on combinatory logic.
Cauchy completion in category theory
Cauchy-completion and the associated sheaf
Čech extensions and localization of homotopy functors
Čech methods and the adjoint functor theorem
Chain homotopy pullbacks and pushouts
Characterization of injective envelopes
Characterization of pointed varieties of universal algebras with normal projections.
Charakterisierung nüchterner Räume.
Classification problems in K-categories
Clones, coclones and coconnected spaces.
Closed categories and topological vector spaces
Closedness properties of internal relations. II: Bourn localization.
Closure operators in exact completions.
Closure operators, monomorphisms and epimorphisms in categories of groups
Closure operators on O-categories.
Coactions and fell bundles.