A contribution to the Cartan's method of specialization of frames
A generalization of a theorem of S. Gołąb and M. Kucharzewski
A generalization of the Schwarzian via Clifford numbers.
A Note on Curvature-like Invariants of Some Connections on Locally Decomposable Spaces
Affine classification of -curves.
Affine differential geometry of surfaces
Affine differential invariants for planar curves.
Alcuni invarianti di contatto di due varietà in uno spazio proiettivo
All linear and bilinear natural concomitants of vector valued differential forms
Anti-holonomic jets and the Lie bracket
Second order anti-holonomic jets as anti-symmetric parts of second order semi-holonomic jets are introduced. The anti-holonomic nature of the Lie bracket is shown. A general result on universality of the Lie bracket is proved.