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Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

The dual ring to a coring with a grouplike


Author: Mark Kleiner
Journal: Proc. Amer. Math. Soc. 91 (1984), 540-542
MSC: Primary 16A45; Secondary 16A49
MathSciNet review: 746085
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Abstract: A matrix problem is that of the classification up to isomorphism of induced comodules over a coring with a grouplike. To define such a problem, using a more familiar language of induced modules, one wants to know what ring is dual to a coring with a grouplike. The answer is given in this paper.


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DOI: https://doi.org/10.1090/S0002-9939-1984-0746085-5
Keywords: Coring, grouplike, dual ring
Article copyright: © Copyright 1984 American Mathematical Society