Techniques for Classifying Hopf Algebras and Applications to Dimension p 3 |
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| Authors: | Margaret Beattie Gastón Andrés García |
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| Institution: | 1. Department of Mathematics and Computer Science , Mount Allison University , Sackville , Canada mbeattie@mta.ca;3. Facultad de Matemática, Astronomía y Física &4. Facultad de Ciencias Exactas, Físicas y Naturales , Universidad Nacional de Córdoba , CIEM – CONICET , Córdoba , Argentina |
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| Abstract: | Classifying Hopf algebras of a given finite dimension n over ? is a challenging problem. If n is p, p2, 2p, or 2p2 with p prime, the classification is complete. If n = p3, the semisimple and the pointed Hopf algebras are classified, and much progress on the remaining cases was made by the second author but the general classification is still open. Here we outline some results and techniques which have been useful in approaching this problem and add a few new ones. We give some further results on Hopf algebras of dimension p3 and finish the classification for dimension 27. |
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| Keywords: | Chevalley property Copointed Hopf algebras of small dimension Pointed |
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