A function of direction associated with n congruences of an orthogonal ennuple in a Riemannian hypersurface Abdülkadir Özdeğer OriginalPaper Pages: 1 - 6
Algebraisierung Scharf 2-Fach Transitiver Permutationsmengen durch Quasibereiche Harold Kühlbrandt OriginalPaper Pages: 7 - 23
The “Coxeter curves”, x2/p+y2/p+z2/p=0 for prime values of p. G. J. Griffith OriginalPaper Pages: 24 - 34
Zentrale und axiale Kollineationen in projektiven Hjelmslev-Ebenen Werner Seier OriginalPaper Pages: 35 - 45
Les Plans de Benz: Une approche unifiee des plans de Moebius, Laguerre et Minkowski Francis Buekenhout OriginalPaper Pages: 61 - 68
Tight polyhedral realisations of closed 2-dimensional manifolds in ℝ3 Peter Gritzmann OriginalPaper Pages: 69 - 76
Elementary abelian 2-groups on the line at infinity of translation planes T. G. Ostrom OriginalPaper Pages: 128 - 139
Transversal designs associated with frobenius groups Dieter Jungnickel OriginalPaper Pages: 140 - 154
On a theorem by W. Benz characterizing plane Lorentz transformations in Jaernefelt's world Giuseppe Tallini OriginalPaper Pages: 171 - 173
Riemannian manifolds with a parallel field of complex planes Izu Vaisman OriginalPaper Pages: 174 - 192
On mappings preserving a single Lorentz-Minkowski-distance. II Walter Benz OriginalPaper Pages: 193 - 201