Title
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When is a coalgebra a generator?
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Author
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Abstract
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Let C be a coalgebra over a field k. The aim of this paper is to study the following problem : (P) If C is a k-coalgebra such that C is a generator for the category of left comodules, is C a left quasi-co-Frobenius coalgebra ? The converse always holds. We show that if C has a finite coradical series, the answer is positive. |
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Language
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English
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Source (journal)
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Algebras and representation theory. - -
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Publication
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2008
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ISSN
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1386-923X
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DOI
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10.1007/S10468-007-9054-5
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Volume/pages
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11
:2
(2008)
, p. 179-190
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ISI
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000253523900005
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Full text (Publisher's DOI)
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