Několik poznámek o pectenoidu
Neuer Beweis des Satzes, dass nicht jeder Curve vierter Ordnung ein Fünfseit eingeschrieben werden kann
New evidence for Green's conjecture on syzygies of canonical curves
No rational nonsingular quartic curve can be set-theoretic complete intersection on a cubic surface
Non-obstructed subcanonical space curves.
Recall that a closed subscheme X ⊂ P is non-obstructed if the corresponding point x of the Hilbert scheme Hilbp(t)n is non-singular. A geometric characterization of non-obstructedness is not known even for smooth space curves. The goal of this work is to prove that subcanonical k-Buchsbaum, k ≤ 2, space curves are non-obstructed. As a main tool we use Serre's correspondence between subcanonical curves and vector bundles.
Non-reflexive projective curves of low degree.
Note sur la construction des normales à l'ellipse
Number of singular points of an annulus in
Using BMY inequality and a Milnor number bound we prove that any algebraic annulus in with no self-intersections can have at most three cuspidal singularities.