On Flatness and Projectivity of a Ring as a Module over a Fixed Subring.

DOI10.7146/MATH.SCAND.A-12533zbMath0842.16023OpenAlexW2531519015MaRDI QIDQ4873879

Ángel Del Río, Juan José García

Publication date: 23 July 1996

Published in: MATHEMATICA SCANDINAVICA (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/167334

zbMATH Keywords

flatnessprojectivityvon Neumann regular ringsgroup of automorphismsFrobenius extensionsskew group ringscentral elementsfixed elements

Mathematics Subject Classification ID

Free, projective, and flat modules and ideals in associative algebras (16D40) Automorphisms and endomorphisms (16W20) Twisted and skew group rings, crossed products (16S35)

Related Items (4)

Some Homological Properties of Subring Retract and Applications to Fixed Rings ⋮ Covers of modules over a fixed ring ⋮ PROJECTIVITY AND FLATNESS OF A MODULE OVER THE SUBRING OF INVARIANTS ⋮ Projectivity and flatness over the endomorphism ring of a finitely generated quasi-Poisson comodule

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