most citedGeneralized Gorensteinness and a homological determinant for preprojective algebras

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math.RA2018★ 1 cited

Generalized Gorensteinness and a homological determinant for preprojective algebras

Stephan Weispfenning

The study of invariants of group actions on commutative polynomial rings has motivated many developments in commutative algebra and algebraic geometry. It has been of particular in…

math.RA2018

Properties of the fixed ring of a preprojective algebra

Stephan Weispfenning

For a finite group acting on a polynomial ring, the Chevalley-Shephard-Todd Theorem proves that the fixed subring is isomorphic to a polynomial ring if and only if the group is gen…