I. Joó - F. J. Schnitzer

On Some Problems Concerning Expansions by Non Integer Bases

page 3

P. Schöpf

Orthogonality and Proportional Norms

page 11

S. J. Bauer

Limits to a Lunar Ionosphere

page 17

R. Winkler

A Simple Hausdorff Space which is Lindelöf, First Countable, CCC but not Separable

page 23

P. Schmitt

A Spacefilling Trefoil Knot

page 27

P. Zinterhof

On Optimal Liftings of Sequences

page 33