Cohomology of line bundles on the cotangent bundle of a complete homogeneous space

On the problem of connectedness for the Hilbert schemes of space curves

On some geometric properties of orbital varieties

Torsion in the symmetric algebra and images of rational maps

Upgrades and Downgrades of p-divisors

On the so-called Fermat–Pell Equation x^2−dy^2 =±1

LVMB manifolds and triangulations of spheres

Shelling, constructing, counting

Separating invariants for the basic $G_a$-actions

Parametrizations of Ideals in K[x,y]