Categorical Algebra and its Applications

Are all limit-closed subcategories of locally presentable categories reflective?.- On categories with effective unions.- Descent theory for Banach modules.- Pseudofunctors and non-abelian weak equivalences.- An exact sequence in the first variable for non-abelian cohomology in algebraic categories. A mayer-vietoris sequence for non-abelian cohomology of groups.- Locally hilbert categories.- Sur la convergence de suites de fonctions suivant des filtres.- The azumaya complex of a commutative ring.- The spectrum lattice of baer rings and polynomials.- Morse germs in S.D.G..- Modal and tense predicate logic: Models in presheaves and categorical conceptualization.- On the representability of partial morphisms in top and in related constructs.- Remarks on localic groups.- Weak products and Hausdorff locales.- Generalized fibre bundles.- Closure operators with prescribed properties.- On the unity of algebra and logic.- The cohomology groups of an epimorphism.- Decker's sharper Künneth formula.- On a categorical analysis of Zadeh generalized subsets of sets I.- Global and infinitesimal observables(?).- Toposes and groupoids.- Componental nuclei.- Representation theorems for P-categories.- On the category of compact convex sets and related categories.- Fillers for nerves.- Simultaneous representations in categories.- Uniform spaces can be represented by completely distributive lattices.