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math.AC2016
Degenerations of the generic square matrix. Polar map and determinantal structure
Rainelly Cunha, Zaqueu Ramos, Aron Simis
One studies certain degenerations of the generic square matrix over a field along with its main related structures, such as the determinant of the matrix, the ideal generated b…
math.AC2016
An analogue of the Aluffi algebra for modules
Zaqueu Ramos, Aron Simis
P. Aluffi introduced in [1] a new graded algebra in order to conveniently express characteristic cycles in the theory of singular varieties. This algebra is attached to a surjectiv…