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Author: Eben Matlis
Publisher: Springer
ISBN: 3540469230
Category : Mathematics
Languages : en
Pages : 168
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Book Description
Author: Eben Matlis
Publisher: Springer
ISBN: 3540469230
Category : Mathematics
Languages : en
Pages : 168
Get Book Here
Book Description
Author: Eben Matlis
Publisher: Springer
ISBN: 9780387063270
Category : Anneaux commutatifs
Languages : en
Pages : 157
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Book Description
Author: Eben Matlis
Publisher: Lecture Notes in Mathematics
ISBN:
Category : Mathematics
Languages : en
Pages : 178
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Book Description
Author: Antonio Campillo
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
Author: Winfried Bruns
Publisher: Cambridge University Press
ISBN: 0521566746
Category : Mathematics
Languages : en
Pages : 471
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Book Description
In the last two decades Cohen-Macaulay rings and modules have been central topics in commutative algebra. This book meets the need for a thorough, self-contained introduction to the homological and combinatorial aspects of the theory of Cohen-Macaulay rings, Gorenstein rings, local cohomology, and canonical modules. A separate chapter is devoted to Hilbert functions (including Macaulay's theorem) and numerical invariants derived from them. The authors emphasize the study of explicit, specific rings, making the presentation as concrete as possible. So the general theory is applied to Stanley-Reisner rings, semigroup rings, determinantal rings, and rings of invariants. Their connections with combinatorics are highlighted, e.g. Stanley's upper bound theorem or Ehrhart's reciprocity law for rational polytopes. The final chapters are devoted to Hochster's theorem on big Cohen-Macaulay modules and its applications, including Peskine-Szpiro's intersection theorem, the Evans-Griffith syzygy theorem, bounds for Bass numbers, and tight closure. Throughout each chapter the authors have supplied many examples and exercises which, combined with the expository style, will make the book very useful for graduate courses in algebra. As the only modern, broad account of the subject it will be essential reading for researchers in commutative algebra.
Author: Silvia Saccon
Publisher:
ISBN: 9781124124605
Category : Cohen-Macaulay rings
Languages : en
Pages :
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Author: Winfried Bruns
Publisher: Springer
ISBN: 3540392742
Category : Mathematics
Languages : en
Pages : 246
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Book Description
Determinantal rings and varieties have been a central topic of commutative algebra and algebraic geometry. Their study has attracted many prominent researchers and has motivated the creation of theories which may now be considered part of general commutative ring theory. The book gives a first coherent treatment of the structure of determinantal rings. The main approach is via the theory of algebras with straightening law. This approach suggest (and is simplified by) the simultaneous treatment of the Schubert subvarieties of Grassmannian. Other methods have not been neglected, however. Principal radical systems are discussed in detail, and one section is devoted to each of invariant and representation theory. While the book is primarily a research monograph, it serves also as a reference source and the reader requires only the basics of commutative algebra together with some supplementary material found in the appendix. The text may be useful for seminars following a course in commutative ring theory since a vast number of notions, results, and techniques can be illustrated significantly by applying them to determinantal rings.
Author: Graham J. Leuschke
Publisher: American Mathematical Soc.
ISBN: 0821875817
Category : Mathematics
Languages : en
Pages : 390
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Book Description
This book is a comprehensive treatment of the representation theory of maximal Cohen-Macaulay (MCM) modules over local rings. This topic is at the intersection of commutative algebra, singularity theory, and representations of groups and algebras. Two introductory chapters treat the Krull-Remak-Schmidt Theorem on uniqueness of direct-sum decompositions and its failure for modules over local rings. Chapters 3-10 study the central problem of classifying the rings with only finitely many indecomposable MCM modules up to isomorphism, i.e., rings of finite CM type. The fundamental material--ADE/simple singularities, the double branched cover, Auslander-Reiten theory, and the Brauer-Thrall conjectures--is covered clearly and completely. Much of the content has never before appeared in book form. Examples include the representation theory of Artinian pairs and Burban-Drozd's related construction in dimension two, an introduction to the McKay correspondence from the point of view of maximal Cohen-Macaulay modules, Auslander-Buchweitz's MCM approximation theory, and a careful treatment of nonzero characteristic. The remaining seven chapters present results on bounded and countable CM type and on the representation theory of totally reflexive modules.
Author: J. Elias
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
Author: Alan B. Evans
Publisher:
ISBN:
Category : Algebra, Universal
Languages : en
Pages : 122
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Book Description
