1983/117/1

A characterization of middle graphs and a matroid associated with middle graphs of hypergraphs

Powers of spaces of non-stationary ultrafilters

On locally expansive selfcoverings of compact metrizable spaces

The relationship between algebraic numbers and expansiveness of automorphisms on compact abelian groups

On the netweight of subspaces

Topological games and products, II

Periodic points of symmetric product mappings

Geordnete Läuchli Kontinuen

Maximal σ-independent families

Periodic homeomorphisms of chainable continua