Semiprime crossed products over copointed Hopf algebras

Declan Quinn, Şerban Raianu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We prove a result on the transfer of essentiality of extensions of modules over subnormalizing extensions of rings, then apply it to look at the semiprimeness of Hopf-Galois extensions, in particular that of crossed products.

Original languageEnglish (US)
Pages (from-to)29-33
Number of pages5
JournalProceedings of the American Mathematical Society
Issue number1
StatePublished - Jan 2003

ASJC Scopus subject areas

  • General Mathematics
  • Applied Mathematics


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