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From Varieties of Algebras to Covarieties of Coalgebras

✍ Scribed by Jiří Adámek; Hans-E. Porst


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
244 KB
Volume
44
Category
Article
ISSN
1571-0661

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We study forms of coalgebras and Hopf algebras i.e., coalgebras and Hopf . algebras which are isomorphic after a suitable extension of the base field . We classify all forms of grouplike coalgebras according to the structure of their simple subcoalgebras. For Hopf algebras, given a W \*-Galois field

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