THE ALGEBRAIC AND GEOMETRIC THEORY OF QUADRATIC FORMS

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The Algebraic And Geometric Theory Of Quadratic Forms

Author : Richard S. Elman
ISBN : 0821873229
Genre : Mathematics
File Size : 27.28 MB
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This book is a comprehensive study of the algebraic theory of quadratic forms, from classical theory to recent developments, including results and proofs that have never been published. The book is written from the viewpoint of algebraic geometry and includes the theory of quadratic forms over fields of characteristic two, with proofs that are characteristic independent whenever possible. For some results both classical and geometric proofs are given. Part I includes classical algebraic theory of quadratic and bilinear forms and answers many questions that have been raised in the early stages of the development of the theory. Assuming only a basic course in algebraic geometry, Part II presents the necessary additional topics from algebraic geometry including the theory of Chow groups, Chow motives, and Steenrod operations. These topics are used in Part III to develop a modern geometric theory of quadratic forms.
Category: Mathematics

The Algebraic And Geometric Theory Of Quadratic Forms

Author : Richard S. Elman
ISBN : 1470432021
Genre : Bilinear forms
File Size : 63.84 MB
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This book is a comprehensive study of the algebraic theory of quadratic forms, from classical theory to recent developments, including results and proofs that have never been published. The book is written from the viewpoint of algebraic geometry and includes the theory of quadratic forms over fields of characteristic two, with proofs that are characteristic independent whenever possible. For some results both classical and geometric proofs are given. Part I includes classical algebraic theory of quadratic and bilinear forms and answers many questions that have been raised in the early stages.
Category: Bilinear forms

Bilinear Algebra

Author : Kazimierz Szymiczek
ISBN : 9781351464208
Genre : Mathematics
File Size : 63.82 MB
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Giving an easily accessible elementary introduction to the algebraic theory of quadratic forms, this book covers both Witt's theory and Pfister's theory of quadratic forms. Leading topics include the geometry of bilinear spaces, classification of bilinear spaces up to isometry depending on the ground field, formally real fields, Pfister forms, the Witt ring of an arbitrary field (characteristic two included), prime ideals of the Witt ring, Brauer group of a field, Hasse and Witt invariants of quadratic forms, and equivalence of fields with respect to quadratic forms. Problem sections are included at the end of each chapter. There are two appendices: the first gives a treatment of Hasse and Witt invariants in the language of Steinberg symbols, and the second contains some more advanced problems in 10 groups, including the u-invariant, reduced and stable Witt rings, and Witt equivalence of fields.
Category: Mathematics

Quadratic Forms

Author : Ricardo Baeza
ISBN : 9780821846483
Genre : Mathematics
File Size : 36.78 MB
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This volume presents a collection of articles that are based on talks delivered at the International Conference on the Algebraic and Arithmetic Theory of Quadratic Forms held in Frutillar, Chile in December 2007. The theory of quadratic forms is closely connected with a broad spectrum of areas in algebra and number theory. The articles in this volume deal mainly with questions from the algebraic, geometric, arithmetic, and analytic theory of quadratic forms, and related questions in algebraic group theory and algebraic geometry.
Category: Mathematics

Quadratic Forms With Applications To Algebraic Geometry And Topology

Author : Albrecht Pfister
ISBN : 0521467551
Genre : Mathematics
File Size : 27.37 MB
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This volume discusses results about quadratic forms that give rise to interconnections among number theory, algebra, algebraic geometry, and topology. The author deals with various topics including Hilbert's 17th problem, the Tsen-Lang theory of quasi-algebraically closed fields, the level of topological spaces, and systems of quadratic forms over arbitrary fields. Whenever possible, proofs are short and elegant, and the author has made this book as self-contained as possible. This book brings together thirty years' worth of results certain to interest anyone whose research touches on quadratic forms.
Category: Mathematics

Introduction To Quadratic Forms Over Fields

Author : Tsit-Yuen Lam
ISBN : 9780821810958
Genre : Mathematics
File Size : 88.30 MB
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A new version of the author's prize-winning Algebraic Theory of Quadratic Forms (Benjamin, 1973), this book gives a modern and self-contained introduction to the theory of quadratic forms over fields of characteristic not two. Starting with few prerequisites besides linear algebra, the author charts an expert course from Witt's classical theory of quadratic forms, quaternion and Clifford algebras, Artin-Schreier theory of formally real fields, and structural theorems on Witt rings, to the theory of Pfister forms, function fields, and field invariants. These main developments are seamlessly interwoven with excursions into Brauer-Wall groups, local and global fields, trace forms, Galois theory, and elementary algebraic K-theory, to create a uniquely original treatment of quadratic form theory over fields. Two new chapters totaling more than 100 pages have been added to the earlier incarnation of this book to take into account some of the newer results and more recent viewpoints in the area. As is characteristic of this author's expository style, the presentation of the main material in this book is interspersed with a copious number of carefully chosen examples to illustrate the general theory. This feature, together with a rich stock of some 280 exercises for the thirteen chapters, greatly enhances the pedagogical value of this book, both as a graduate text and as a reference work for researchers in algebra, number theory, field theory, algebraic geometry, algebraic topology, and geometric topology.
Category: Mathematics

Arithmetic Of Quadratic Forms

Author : Yoshiyuki Kitaoka
ISBN : 052164996X
Genre : Mathematics
File Size : 37.44 MB
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Provides an introduction to quadratic forms.
Category: Mathematics

K Theory And Algebraic Geometry

Author : Bill Jacob
ISBN : 9780821803400
Genre : Mathematics
File Size : 52.96 MB
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Volume 2 of two - also available in a set of both volumes.
Category: Mathematics

Quadratic Forms And Their Applications

Author : Eva Bayer-Fluckiger
ISBN : 9780821827796
Genre : Mathematics
File Size : 81.94 MB
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This volume outlines the proceedings of the conference on ``Quadratic Forms and Their Applications'' held at University College Dublin. It includes survey articles and research papers ranging from applications in topology and geometry to the algebraic theory of quadratic forms and its history. Various aspects of the use of quadratic forms in algebra, analysis, topology, geometry, and number theory are addressed. Special features include the first published proof of the Conway-Schneeberger Fifteen Theorem on integer-valued quadratic forms and the first English-language biography of Ernst Witt, founder of the theory of quadratic forms.
Category: Mathematics