Pointedness conjecture for non-semisimple Hopf algebras of dimension
Pointedness conjecture for non-semisimple Hopf algebras of dimension
Let be an algebraically closed field of characteristic zero. Let and be distinct primes, and let be a non-semisimple Hopf algebra over of dimension . Write for its dual Hopf algebra, and call a Hopf algebra pointed when all its simple comodules are one-dimensional.
Pointedness conjecture. The Hopf algebra or its dual is pointed.
This conjecture is motivated by the classification results for non-semisimple Hopf algebras of dimension , including the cases , together with related results cited in the source. The general assertion for dimension remains open in the supplied text.
Sources & referencesView supporting material
Primary source
Yi-Lin Cheng and Siu-Hung Ng, “On Hopf algebras of dimension 4p”, arXiv:1005.1267 (2010).
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