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Hopf Algebras with the Dual Chevalley Property of Finite Corepresentation Type

  • Jing Yu,
  • Kangqiao Li,
  • Gongxiang Liu

摘要

Let H be a finite-dimensional Hopf algebra over an algebraically closed field \(\Bbbk \) k with the dual Chevalley property. We prove that H is of finite corepresentation type if and only if it is coNakayama, if and only if the link quiver \(\textrm{Q}(H)\) Q ( H ) of H is a disjoint union of basic cycles, if and only if the link-indecomposable component \(H_{(1)}\) H ( 1 ) containing \(\Bbbk 1\) k 1 is a pointed Hopf algebra and the link quiver of \(H_{(1)}\) H ( 1 ) is a basic cycle.