On the Collineation Groups of Derived Semifield Planes.
Sui derivati dei piani desarguesiani
On translation transversal designs
On the planar translation structures
Strutture di André con gruppi di traslazioni transitivi non normali
We give some examples of André-structures admitting translation groups which are transitive on the set of points but which are not normal in the dilatation group. André structures with this property seem to be new in the literature.
Strutture di André con gruppi di traslazioni transitivi non normali
We give some examples of André-structures admitting translation groups which are transitive on the set of points but which are not normal in the dilatation group. André structures with this property seem to be new in the literature.
Sulle strutture di traslazione dotate di dilatazioni proprie
We study a finite translation structure with nontrivial dilatations and give a characterization of its translation group.
Insiemi di derivazione e sottopiani di Baer in un piano di traslazione
We give a classification of the derivation sets of translation planes.
Page 1