Altitude properties and characterizations of inner product spaces Edward AndalafteRaymond Freese OriginalPaper Pages: 1 - 10
Threefolds of the Klein quadric and trisecant lines Edoardo BallicoAntonio Cossidente OriginalPaper Pages: 11 - 14
The Lunelli-Sce hyperoval inPG(2, 16) Julia M. N. BrownWilliam E. Cherowitzo OriginalPaper Pages: 15 - 36
Each convex body inE 3 symmetric about a plane can be illuminated by 8 directions Boris V. Dekster OriginalPaper Pages: 37 - 50
A new graphic characterization of non singular quadrics of PG(r,q) Rossella Di MonteOsvaldo FerriStefania Ferri OriginalPaper Pages: 51 - 57
On the canonical extension of a differentiable manifold Mehmet YildirimErdoğan Esin OriginalPaper Pages: 73 - 78
A note on almost Kähler and nearly Kähler submersions Maria FalcitelliAnna Maria Pastore OriginalPaper Pages: 79 - 87
The translation planes admitting a nonsolvable doubly transitive line-sized orbit Michael J. GanleyVikram JhaNorman L. Johnson OriginalPaper Pages: 88 - 109
On epimorphisms and projectivities of projective planes Franz B. Kalhoff OriginalPaper Pages: 149 - 165
Die Flächen mit geraden Linien als Affinen Zentraflächen Friedrich Manhart OriginalPaper Pages: 166 - 171
A classification of Minkowski planes over half-ordered fields Günter F. Steinke OriginalPaper Pages: 192 - 214
The four-dimensional goldberg conjecture is true for almost Kähler submersions Bill Watson OriginalPaper Pages: 215 - 226
