On mappings preserving orthogonality of non-singular vectors Burkhard AlpersEberhard M. Schröder OriginalPaper Pages: 3 - 15
On the order structure in the line geometry of a projective space A. BicharaJ. MisfeldC. Zanella OriginalPaper Pages: 16 - 32
Special point sets inPG(n,q) and the structure of sets with the maximal number of nuclei A. BlokhuisF. Mazzocca OriginalPaper Pages: 33 - 41
Was Sie schon immer über affine Punkträume wissen wollten oder Keine Angst vor Translationen Werner HeiseKay Sörensen OriginalPaper Pages: 58 - 71
A characterization of Hermitian curves J. W. P. HirschfeldL. StormeJ. F. Voloch OriginalPaper Pages: 72 - 78
Geradenmodelle der Möbius- und Burau-Geometrien Günter KistBernhard Reinmiedl OriginalPaper Pages: 94 - 113
Necessary conditions for the existence of divisible designs Michael Klemm OriginalPaper Pages: 114 - 123
A configurational characterization of incidence loops which are incidence groups Mario Marchi OriginalPaper Pages: 124 - 132
Über die dritte quadratische Differentialform eines Normalensystems N. K. Stephanidis OriginalPaper Pages: 180 - 192