Self-Orthogonal Steiner Systems and Projective Planes.
Semiaffine spaces.
Semi-Boolean Steiner quadruple systems and dimensional dual hyperovals.
Semifields in class .
Series of inscribed -gons and rank 3 configurations.
Sharply 2-transitive sets of permutations and groups of affine projectivities.
Some Amalgams of type 2A6 in a field of characteristic 3
Some Characterizations of Finite Miquelian Möbius Planes.
Some combinatorial results on the classification of lines in Desarguesian Hjelmslev planes
Some Discussions Related to Disjoint Ber's Subplanes
Some generalization of Desargues and Veronese configurations
2000 Mathematics Subject Classification: 51E14, 51E30.We propose a method of constructing partial Steiner triple system, which generalizes the representation of the Desargues configuration as a suitable completion of three Veblen configurations. Some classification of the resulting configurations is given and the automorphism groups of configurations of several types are determined.
Some Generalized Quadrangles with Parameters q2, q.
Some inequalities concerning the existence of -chordal polygons.
Some problems of classification of points in the Desarguesian Hjelmslev plane
Some results on odd astral configurations.
Sopra una classe di piani -transitivi
SPG systems and semipartial geometries.
Split semi-biplanes in antiregular generalized quadrangles.
Squeezing the Accordion in a Strongly n-Uniform Hjelmslev Plane.
Steiner Systems which Admit Block Transitive Automorphism Groups of Small Rank.