Journal of the London Mathematical Society Advance Access originally published online on June 19, 2009
Journal of the London Mathematical Society 2009 80(2):295-310; doi:10.1112/jlms/jdp026
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© 2009 London Mathematical Society
Hopf algebras of dimension 2p2
Department of Mathematics
Iowa State University
Ames, IA 50011
USA
hilgem1@iastate.edu
Let H be a non-semisimple Hopf algebra of dimension 2p2 over an algebraically closed field
of characteristic zero, where p is an odd prime. We prove that H or H* is pointed, which completes the classification for Hopf algebras of these dimensions.
Dedicated to Susan Montgomery on the occasion of her birthday
2000 Mathematics Subject Classification 16W30.
The research was partially supported by NSA grant no. H98230-05-1-0020.
Received September 16, 2008; published online June 19, 2009.