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On the centralizers in the Weyl algebra
Jorge A. Guccione, Juan J. Guccione, Christian Valqui
Let P,Q be elements of the Weyl algebra W. We prove that if [Q,P]=1, then the centralizer of P is the polynomial algebra k[P].
math.RA2009
Universal deformation formulas and braided module algebras
Jorge A. Guccione, Juan J. Guccione, Christian Valqui
We study formal deformations of a crossed product $S(V)#_f G$, of a polynomial algebra with a group, induced from a universal deformation formula introduced by Witherspoon. These d…