Hopf algebras with nonsemisimple antipode
Authors:
Earl J. Taft and Robert Lee Wilson
Journal:
Proc. Amer. Math. Soc. 49 (1975), 269276
MSC:
Primary 16A24
MathSciNet review:
0376742
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Abstract: An example is given to show that the antipode of a finite dimensional Hopf algebra over a field of prime characteristic need not be semisimple. (For examples were previously known.) The example is a pointed irreducible Hopf algebra (with antipode ) of dimension such that .
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DOI:
http://dx.doi.org/10.1090/S00029939197503767429
PII:
S 00029939(1975)03767429
Article copyright:
© Copyright 1975 American Mathematical Society
