Torsion-free modules

Eben Matlis

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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この本の情報

書名 Torsion-free modules
著作者等 Matlis, Eben
シリーズ名 Chicago lectures in mathematics
出版元 University of Chicago Press
刊行年月 c1972
ページ数 vii, 168 p.
大きさ 21 cm
ISBN 0226510743
0226510735
NCID BA01347743
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言語 英語
出版国 アメリカ合衆国
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