Some finite translation planes arising from A6-1nvariant ovoids of the Klein quadric Mauro BiliottiGábor Korchmáros OriginalPaper Pages: 29 - 47
Krasnosel'skii numbers for bounded finitely starlike sets inR d Marilyn Breen OriginalPaper Pages: 48 - 54
Linear spaces on v points with v−2 mutually intersecting long lines Paola De VitoPia Marie Lo ReNicola Melone OriginalPaper Pages: 87 - 94
Zur algebraischen Kennzeichnung mehrwertiger Halbordnungen Wilhelm JunkersFranz Kalhoff OriginalPaper Pages: 95 - 104
Classification of linear spaces without three mutually parallel lines Klaus Metsch OriginalPaper Pages: 128 - 141
Collineations of geometric structures derived from quaternion algebras Silvia PiantaElena Zizioli OriginalPaper Pages: 142 - 152
Ein einfacher Beweis des Satzes von Alexandroff-Lester Eberhard M. Schröder OriginalPaper Pages: 153 - 158
A characterization of the line set of an odd-dimensional Baer subspace Johannes Ueberberg OriginalPaper Pages: 171 - 180