Projectivity and flatness over the graded ring of semi-coinvariants

dc.contributor.author	Guedenon, T.
dc.date.accessioned	2019-06-15T16:54:22Z
dc.date.available	2019-06-15T16:54:22Z
dc.date.issued	2010
dc.identifier.citation	Projectivity and flatness over the graded ring of semi-coinvariants / T. Guedenon // Algebra and Discrete Mathematics. — 2010. — Vol. 10, № 1. — С. 43–56. — Бібліогр.: 13 назв. — англ.	uk_UA
dc.identifier.issn	1726-3255
dc.identifier.uri	http://dspace.nbuv.gov.ua/handle/123456789/154619
dc.description.abstract	Let k be a field, C a bialgebra with bijective antipode, A a right C-comodule algebra, G any subgroup of the monoid of grouplike elements of C. We give necessary and sufficient conditions for the projectivity and flatness over the graded ring of semi-coinvariants of A. When A and C are commutative and G is any subgroup of the monoid of grouplike elements of the coring A⊗C, we prove similar results for the graded ring of conormalizing elements of A.	uk_UA
dc.language.iso	en	uk_UA
dc.publisher	Інститут прикладної математики і механіки НАН України	uk_UA
dc.relation.ispartof	Algebra and Discrete Mathematics
dc.title	Projectivity and flatness over the graded ring of semi-coinvariants	uk_UA
dc.type	Article	uk_UA
dc.status	published earlier	uk_UA