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math.RA2001
Simple roots of deformed preprojective algebras
Lieven Le Bruyn
W. Crawley-Boevey has given a description of the set of dimension vectors of simple representations of the deformed preprojective algebras. In this note we give alternative descrip…
math.RA2001
Formal structures and representation spaces
Lieven Le Bruyn, Geert Van de Weyer
M. Kapranov introduced and studied in math.AG/9802041 the noncommutative formal structure of a smooth affine variety. In this note we show that his construction is a special case o…