Continuous families : categorical aspects
Coreflective subcategories in general topology
Corrections to the paper “The cartesian closed topological hull of the category of completely regular filterspaces”
Descent for compact 0-dimensional spaces.
Disconnectednesses and closure operators
Disconnectednesses cogenerated by Hausdorff spaces
Duality, uniqueness of topology and automatic continuity of *-homomorphisms in bornological locally C*-algebras
Eine Kennzeichnung topologischer Räume durch Vervollständigungen.
Epimorphims and cowellpoweredness of epireflective subcategories of Top
Epireflections which are completions
Equationally close subframes and representation of quotient spaces
Exponentiability in categories of lax algebras. (Dedicated to Nico Pumplün on the occasion of his seventieth birthday).
Exponentiability in homotopy slices of TOP and pseudo-slices of CAT.
Exponentiability in lax slices of .
Exponentiability of perfect maps: Four approaches.
Exponentiable embeddings in totally reflective subcategories of
Exponentiable morphisms: Posets, spaces, locales, and Grothendieck toposes.
Extension of the concept of n-function to categories
Extensionable topological hulls and topological universe hulls inside the category of pseudotopological spaces
Fan-Gottesman type compactification of frames