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Artinian Modules over Group Rings [electronic resource] /by Leonid A. Kurdachenko, Javier Otal, Igor Ya. Subbotin.

by Kurdachenko, Leonid A [author.]; Otal, Javier [author.]; Subbotin, Igor Ya [author.]; SpringerLink (Online service).
Material type: materialTypeLabelBookSeries: Frontiers in Mathematics: Publisher: Basel : Birkhäuser Basel, 2007.Description: XII, 247 p. online resource.ISBN: 9783764377656.Subject(s): Mathematics | Algebra | Mathematics | AlgebraDDC classification: 512 Online resources: Click here to access online
Contents:
Modules with chain conditions -- Ranks of groups -- Some generalized nilpotent groups -- Artinian modules and the socle -- Reduction to subgroups of finite index -- Modules over Dedekind domains -- The Kovacs-Newman theorem -- Hartley’s classes of modules -- The injectivity of some simple modules -- Direct decompositions in artinian modules -- On the countability of artinian modules over FC-hypercentral groups -- Artinian modules over periodic abelian groups -- Nearly injective modules -- Artinian modules over abelian groups of finite section rank -- The injective envelopes of simple modules over group rings -- Quasifinite modules -- Some applications: splitting over the locally nilpotent residual.
In: Springer eBooksSummary: This book highlights important developments on artinian modules over group rings of generalized nilpotent groups. Along with traditional topics such as direct decompositions of artinian modules, criteria of complementability for some important modules, and criteria of semisimplicity of artinian modules, it also focuses on recent advanced results on these matters. The theory of modules over groups has its own specific character that plays an imperative role here and, for example, allows a significant generalization of the classical Maschke Theorem on some classes of infinite groups. Conversely, it leads to establishing direct decompositions of artinian modules related to important natural formations, which, in turn, find very efficient applications in infinite groups. As self-contained as possible, this book will be useful for students as well as for experts in group theory, ring theory, and module theory.
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Modules with chain conditions -- Ranks of groups -- Some generalized nilpotent groups -- Artinian modules and the socle -- Reduction to subgroups of finite index -- Modules over Dedekind domains -- The Kovacs-Newman theorem -- Hartley’s classes of modules -- The injectivity of some simple modules -- Direct decompositions in artinian modules -- On the countability of artinian modules over FC-hypercentral groups -- Artinian modules over periodic abelian groups -- Nearly injective modules -- Artinian modules over abelian groups of finite section rank -- The injective envelopes of simple modules over group rings -- Quasifinite modules -- Some applications: splitting over the locally nilpotent residual.

This book highlights important developments on artinian modules over group rings of generalized nilpotent groups. Along with traditional topics such as direct decompositions of artinian modules, criteria of complementability for some important modules, and criteria of semisimplicity of artinian modules, it also focuses on recent advanced results on these matters. The theory of modules over groups has its own specific character that plays an imperative role here and, for example, allows a significant generalization of the classical Maschke Theorem on some classes of infinite groups. Conversely, it leads to establishing direct decompositions of artinian modules related to important natural formations, which, in turn, find very efficient applications in infinite groups. As self-contained as possible, this book will be useful for students as well as for experts in group theory, ring theory, and module theory.

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