Power reductivity over an arbitrary base.
Hecke eigenforms in the cohomology of congruence subgroups of .
Descent for the K-Theory of Polynomial Rings.
Infinitesimal fixed points in modules with good filtration.
The Schur Multipliers of SL (3, Z) and &L (4, Z).
The of rings with many units
On the Schur Multipliers of Steinberg and Chevalley Groups over Commutative Rings.
On a Grauert-Riemenschneider vanishing theorem for Frobenius split varieties in characteristic p.
A simultaneous Frobenius splitting for closures of conjugacy classes of nilpotent matrices
Configuration spaces and limits of voronoi diagrams
The Voronoi diagram of n distinct generating points divides the plane into cells, each of which consists of points most close to one particular generator. After introducing 'limit Voronoi diagrams' by analyzing diagrams of moving and coinciding points, we define compactifications of the configuration space of n distinct, labeled points. On elements of these compactifications we define Voronoi diagrams.
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