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math.RA2025
A note on the differential smoothness of skew PBW extensions
Andrés Rubiano, Armando Reyes
We investigate the differential smoothness of a certain family of skew Poincaré-Birkhoff-Witt extensions.
math.RA2024
Smooth geometry of double extension regular algebras of type (14641)
Andrés Rubiano, Armando Reyes
In this paper, we prove that double extension regular algebras of type (14641) are not differentially smooth.