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