Noetherian PI Hopf algebras are Gorenstein

  • Wu Q
  • Zhang J
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Abstract

We prove that every noetherian affine PI Hopf algebra has finite injective dimension, which answers a question of Brown (1998).

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Wu, Q.-S., & Zhang, J. J. (2002). Noetherian PI Hopf algebras are Gorenstein. Transactions of the American Mathematical Society, 355(3), 1043–1066. https://doi.org/10.1090/s0002-9947-02-03106-9

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