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Author: Frank De Meyer
Publisher: Springer
ISBN: 3540364846
Category : Mathematics
Languages : en
Pages : 162
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Book Description
These lecture notes were prepared by the authors for use in graduate courses and seminars, based on the work of many earlier mathematicians. In addition to very elementary results, presented for the convenience of the reader, Chapter I contains the Morita theorems and the definition of the projective class group of a commutative ring. Chapter II addresses the Brauer group of a commutative ring, and automorphisms of separable algebras. Chapter III surveys the principal theorems of the Galois theory for commutative rings. In Chapter IV the authors present a direct derivation of the first six terms of the seven-term exact sequence for Galois cohomology. In the fifth and final chapter the authors illustrate the preceding material with applications to the structure of central simple algebras and the Brauer group of a Dedekind domain, and they pose problems for further investigation. Exercises are included at the end of each chapter.
Author: Frank De Meyer
Publisher: Springer
ISBN: 3540364846
Category : Mathematics
Languages : en
Pages : 162
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Book Description
These lecture notes were prepared by the authors for use in graduate courses and seminars, based on the work of many earlier mathematicians. In addition to very elementary results, presented for the convenience of the reader, Chapter I contains the Morita theorems and the definition of the projective class group of a commutative ring. Chapter II addresses the Brauer group of a commutative ring, and automorphisms of separable algebras. Chapter III surveys the principal theorems of the Galois theory for commutative rings. In Chapter IV the authors present a direct derivation of the first six terms of the seven-term exact sequence for Galois cohomology. In the fifth and final chapter the authors illustrate the preceding material with applications to the structure of central simple algebras and the Brauer group of a Dedekind domain, and they pose problems for further investigation. Exercises are included at the end of each chapter.
Author: Frank De Meyer
Publisher:
ISBN: 9783662161937
Category :
Languages : en
Pages : 172
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Book Description
Author: Timothy J. Ford
Publisher: American Mathematical Soc.
ISBN: 1470437708
Category : Associative rings
Languages : en
Pages : 637
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Book Description
This book presents a comprehensive introduction to the theory of separable algebras over commutative rings. After a thorough introduction to the general theory, the fundamental roles played by separable algebras are explored. For example, Azumaya algebras, the henselization of local rings, and Galois theory are rigorously introduced and treated. Interwoven throughout these applications is the important notion of étale algebras. Essential connections are drawn between the theory of separable algebras and Morita theory, the theory of faithfully flat descent, cohomology, derivations, differentials, reflexive lattices, maximal orders, and class groups. The text is accessible to graduate students who have finished a first course in algebra, and it includes necessary foundational material, useful exercises, and many nontrivial examples.
Author: Andy R. Magid
Publisher: CRC Press
ISBN: 1482208059
Category : Mathematics
Languages : en
Pages : 186
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Book Description
The Separable Galois Theory of Commutative Rings, Second Edition provides a complete and self-contained account of the Galois theory of commutative rings from the viewpoint of categorical classification theorems and using solely the techniques of commutative algebra. Along with updating nearly every result and explanation, this edition contains a new chapter on the theory of separable algebras. The book develops the notion of commutative separable algebra over a given commutative ring and explains how to construct an equivalent category of profinite spaces on which a profinite groupoid acts. It explores how the connection between the categories depends on the construction of a suitable separable closure of the given ring, which in turn depends on certain notions in profinite topology. The book also discusses how to handle rings with infinitely many idempotents using profinite topological spaces and other methods.
Author: Robert Alan Bix
Publisher:
ISBN:
Category : Jordan algebras
Languages : en
Pages : 40
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Book Description
Author: Bernard R. McDonald
Publisher: CRC Press
ISBN: 1000146464
Category : Mathematics
Languages : en
Pages : 563
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Book Description
This monograph arose from lectures at the University of Oklahoma on topics related to linear algebra over commutative rings. It provides an introduction of matrix theory over commutative rings. The monograph discusses the structure theory of a projective module.
Author: Robert B. Gardner
Publisher:
ISBN:
Category : Algebra
Languages : en
Pages : 242
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Book Description
Author: Linda Lee Deneen
Publisher:
ISBN:
Category : Commutative algebra
Languages : en
Pages : 120
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Book Description
Author: Stephen Urban Chase
Publisher: American Mathematical Soc.
ISBN: 0821812521
Category : Commutative rings
Languages : en
Pages : 79
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Book Description
Author: Andy R. Magid
Publisher: CRC Press
ISBN: 1482208067
Category : Mathematics
Languages : en
Pages : 184
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Book Description
The Separable Galois Theory of Commutative Rings, Second Edition provides a complete and self-contained account of the Galois theory of commutative rings from the viewpoint of categorical classification theorems and using solely the techniques of commutative algebra. Along with updating nearly every result and explanation, this edition contains a n
