Torsion-Free Modules

By: Eben Matlis

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Paperback | 1 January 1973 | Edition Number 1

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176 Pages

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2.02 x 1.35 x 0.1

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The subject of torsion-free modules over an arbitrary integral domain arises naturally as a generalization of torsion-free abelian groups. In this volume, Eben Matlis brings together his research on torsion-free modules that has appeared in a number of mathematical journals. Professor Matlis has reworked many of the proofs so that only an elementary knowledge of homological algebra and commutative ring theory is necessary for an understanding of the theory.
The first eight chapters of the book are a general introduction to the theory of torsion-free modules. This part of the book is suitable for a self-contained basic course on the subject. More specialized problems of finding all integrally closed D-rings are examined in the last seven chapters, where material covered in the first eight chapters is applied.
An integral domain is said to be a D-ring if every torsion-free module of finite rank decomposes into a direct sum of modules of rank 1. After much investigation, Professor Matlis found that an integrally closed domain is a D-ring if, and only if, it is the intersection of at most two maximal valuation rings.

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You Can Find This Book In

Non-Fiction Mathematics Algebra Miscellaneous Items Probability & Statistics

Introduction
Cotorsion modules
Completions
h-local rings
Reflexive rings
Noetherian reflexive rings
Torsionless rings
Completely reflexive rings
Maximal valuation rings
The two generator problem for ideals
Noetherian D-rings
Quasi-local D-rings
h-local D-rings
Rings of type I
Integrally closed D-rings
Hausdorff D-rings
Bibliography
Index
Table of Contents provided by Publisher. All Rights Reserved.

Torsion-Free Modules

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