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math.AC2026
On separating sets of polynomial invariants of finite abelian group actions
Barna Schefler, Kevin Zhao, Qinghai Zhong
Let be a finite group acting on a finite dimensional complex vector space via linear transformations. Let be the algebra of polynomials that are invariant…
math.AC2025
On the separating Noether number of finite abelian groups
Barna Schefler, Kevin Zhao, Qinghai Zhong
The separating Noether number of a finite group is the minimal positive integer such that for every finite -module there is a separating set c…