Begleitfiguren und Invariantensystem minimaler Differentiationsordnung von Kurven im reellen n-dimensionalen affinen Raum.
Bemerkungen zur Definition einer erweiterten Affinoberfläche von E. Lutwak.
Bifurcations of affine invariants for one-parameter family of generic convex plane curves
We study affine invariants of plane curves from the view point of the singularity theory of smooth functions. We describe how affine vertices and affine inflexions are created and destroyed.