Abstract
Let be a Hopf algebra and let be a Koszul -module algebra. We provide necessary and sufficient conditions for a filtered algebra to be a Poincaré–Birkhoff–Witt (PBW) deformation of the smash product algebra . Many examples of these deformations are given.
Citation
Chelsea Walton. Sarah Witherspoon. "Poincaré–Birkhoff–Witt deformations of smash product algebras from Hopf actions on Koszul algebras." Algebra Number Theory 8 (7) 1701 - 1731, 2014. https://doi.org/10.2140/ant.2014.8.1701
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