H. -X. Chen’s research while affiliated with Yangzhou University and other places

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Publications (1)


Almost split sequences of the quantum double of a finite group
  • Article

March 2014

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8 Reads

Mathematical Notes

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H. -X. Chen

Let k be a field of characteristic p > 0, and G be a finite group of order divisible by p. We prove that the almost split sequences of the quantum double D(kG) can be constructed from those of group algebras, where the groups run over all centralizer subgroups of representatives of conjugate classes of G. As a special case, we give an application to the quantum double of dihedral groups.