A note on the antipode of free hopf algebras |
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| Authors: | Georg Filser |
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| Institution: | Math. Institut der Universit?t , Theresienstr. 39, München 2 , D 8000 |
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| Abstract: | Shestakov showed that in an arbitrary alternative ring of characteristic ≠ 2, the fourth power of every associator Is in the commutative center. He raised the question whether this might bp so for the square of every associator. The answer to this question is no, Which is demonsuapared by an exumple of an altor-native algobre of dimension 107. |
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