Hypersurfaces in the non-flat Lorentzian space forms with a characteristic eigenvector field Luis J. AlíasAngel FerrándezPascual Lucas OriginalPaper Pages: 10 - 24
On the dimensions of automorphism groups of 8-dimensional ternary fields I Richard Bödi OriginalPaper Pages: 30 - 40
Projective injections of geometries and their affine extensions Francis BuekenhoutMichel DehonIsabelle De Schutter OriginalPaper Pages: 41 - 53
Towards a characterization of generalized twisted field planes Minerva CorderoRaúl Figueroa OriginalPaper Pages: 54 - 63
New euclidean theorems by the use of Laguerre transformations — Some geometry of Minkowski (2+1)-space Jay P. FillmoreArthur Springer OriginalPaper Pages: 74 - 90
A characterization of two classes of strongly regular graphs Tung-Shan FuTayuan Huang OriginalPaper Pages: 91 - 100
On topologically stable singular surfaces in a 3-manifold Shyuichi IzumiyaWashington L. Marar OriginalPaper Pages: 108 - 119
Diskontinuierliche Bewegungsgruppen verschiedenen Grades in metrischen Räumen Benno Klotzek OriginalPaper Pages: 130 - 141
On the reflexivity symmetry and transitivity of the tangency relation of sets of the class\(\tilde M_{p,k}\) Tadeusz Konik OriginalPaper Pages: 142 - 151
Concerning a characterisation of Buekenhout-Metz unitals Catherine T. QuinnRey Casse OriginalPaper Pages: 159 - 167
On the number of singularities, zero curvature points and vertices of a simple convex space curve M. C. Romero FusterV. D. Sedykh OriginalPaper Pages: 168 - 172
The problem of non-trivial isometries of surfaces preserving principal curvatures Ziya Soyuçok OriginalPaper Pages: 173 - 188
A differential geometric characterization of circular cylinders Michiko Tamura OriginalPaper Pages: 189 - 192
