most citedRigidity of down-up algebras with respect to finite group coactions

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math.RA2016★ 2 cited

Rigidity of down-up algebras with respect to finite group coactions

J. Chen, E. Kirkman, J. J. Zhang

If a nontrivial finite group coacts on a graded noetherian down-up algebra inner faithfully and homogeneously, then the fixed subring is not isomorphic to . Therefore graded…