A coordinatization of generalized quadrangles of order , .
A rank 3 tangent complex of , odd.
A unified construction of finite geometries associated with -clans in characteristic 2.
Adjacency preserving mappings.
An alternative definition of the notion valuation in the theory of near polygons.
Areas of certain polygons in connection with determinants of rectangular matrices.
Classification of span-symmetric generalized quadrangles of order .
Collineations of the Subiaco generalized quadrangles.
Distance-preserving maps in generalized polygons. I: Maps on flags.
Distance-preserving maps in generalized polygons. II: Maps on points and/or lines.
Dual partial quadrangles embedded in .
Enumerative properties of generalized associahedra.
Extended near hexagons and line systems.
Generalized quadrangles and projective axes of symmetry.
Half Moufang implies Moufang for finite generalized quadrangles.
Hyperbolic lines in generalized polygons.
Isomorphisms between Subiaco -clan geometries.
Moufang polygons. I: Root data.
Moufang trees and generalized quadrangles.
Near hexagons and triality.