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math.AG2006
Double Poisson structures on finite dimensional semi-simple algebras
Geert Van de Weyer
We give a description of the bimodule of double derivations DDer(S) of a finite dimensional semi-simple algebra S and its double Schouten bracket in terms of a quiver. This descrip…
math.AG2005
First Steps towards Hyper-desingularization through Brauer-Severi Varieties
Raf Bocklandt, Stijn Symens, Geert Van de Weyer
Given a Cayley-Hamilton smooth order A in a central simple algebra , we determine the flat locus of the Brauer-Severi fibration of the smooth order. Moreover, we give a classifi…
math.AG2000
Smooth Character Varieties for Torus Knot Groups
Jan Adriaenssens, Raf Bocklandt, Geert Van de Weyer
Semisimple representations of the free product Z_p*Z_q determine θ-semistable representations of a specific quiver Q_pq. The dimension vectors of θ-stable representations of this q…