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Quadratic Forms And Their Applications

Author : Eva Bayer-Fluckiger
ISBN : 9780821827796
Genre : Mathematics
File Size : 85.50 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

Quadratic Forms

Author : Ricardo Baeza
ISBN : 9780821846483
Genre : Mathematics
File Size : 87.2 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 And Hermitian Forms

Author : Carl R. Riehm
ISBN : 0821860089
Genre : Mathematics
File Size : 48.14 MB
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This book contains the proceedings of the 1983 Seminar on Quadratic and Hermitian Forms held at McMaster University, July 1983. Between 1945 and 1965, most of the work in quadratic (and hermitian) forms took place in arithmetic theory (M. Eichler, M. Kneser, O. T. O'Meara). In the mid-sixties, the algebraic theory of quadratic forms experienced a reawakening with the fundamental discoveries of A. Pfister. More recently, there have been signs that the subject, in both its algebraic and arithmetic aspects, is once more in a state of change, reaching out into new and different areas. Since the advent of surgery theory in the late sixties, that subject has been one of the principal users of the theory of quadratic and hermitian forms. Therefore, hermitian $K$-theory was included within the scope of the conference to further the contact between its practitioners and those in quadratic forms.
Category: Mathematics

Number Theory

Author : Kálmán Györy
ISBN : 3110153645
Genre : Mathematics
File Size : 41.65 MB
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These proceedings contain 41 selected research and survey articles based on lectures delivered at the July 1996 conference. A significant part of the contributions involve various aspects of Diophantine equations ranging from general effective finiteness theorems to efficient algorithms and numerical results. Other topics covered are Diophantine approximations, transcendence theory and in particular Baker's method concerning linear forms in logarithms, the arithmetic theory of elliptic and algebraic curves, the arithmetic of polynomials and algebraic number fields, the geometry of numbers, linear recurrences, and digital expansions. No index. Annotation copyrighted by Book News, Inc., Portland, OR
Category: Mathematics

Reviews In Number Theory 1984 96

Author :
ISBN : 0821809377
Genre : Mathematics
File Size : 87.40 MB
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These six volumes include approximately 20,000 reviews of items in number theory that appeared in Mathematical Reviews between 1984 and 1996. This is the third such set of volumes in number theory. The first was edited by W.J. LeVeque and included reviews from 1940-1972; the second was edited by R.K. Guy and appeared in 1984.
Category: Mathematics

The Book Of Involutions

Author : Max-Albert Knus
ISBN : 0821873210
Genre : Mathematics
File Size : 80.4 MB
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This monograph is an exposition of the theory of central simple algebras with involution, in relation to linear algebraic groups. It provides the algebra-theoretic foundations for much of the recent work on linear algebraic groups over arbitrary fields. Involutions are viewed as twisted forms of (hermitian) quadrics, leading to new developments on the model of the algebraic theory of quadratic forms. In addition to classical groups, phenomena related to triality are also discussed, as well as groups of type $F_4$ or $G_2$ arising from exceptional Jordan or composition algebras. Several results and notions appear here for the first time, notably the discriminant algebra of an algebra with unitary involution and the algebra-theoretic counterpart to linear groups of type $D_4$. This volume also contains a Bibliography and Index. Features: original material not in print elsewhere a comprehensive discussion of algebra-theoretic and group-theoretic aspects extensive notes that give historical perspective and a survey on the literature rational methods that allow possible generalization to more general base rings
Category: Mathematics

An Introduction To Galois Cohomology And Its Applications

Author : Grégory Berhuy
ISBN : 9781139490887
Genre : Mathematics
File Size : 55.5 MB
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This is the first elementary introduction to Galois cohomology and its applications. The first part is self-contained and provides the basic results of the theory, including a detailed construction of the Galois cohomology functor, as well as an exposition of the general theory of Galois descent. The author illustrates the theory using the example of the descent problem of conjugacy classes of matrices. The second part of the book gives an insight into how Galois cohomology may be used to solve algebraic problems in several active research topics, such as inverse Galois theory, rationality questions or the essential dimension of algebraic groups. Assuming only a minimal background in algebra, the main purpose of this book is to prepare graduate students and researchers for more advanced study.
Category: Mathematics

Jordan Algebras And Algebraic Groups

Author : Tonny A. Springer
ISBN : 9783642619700
Genre : Mathematics
File Size : 82.43 MB
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From the reviews: "This book presents an important and novel approach to Jordan algebras. [...] Springer's work will be of service to research workers familiar with linear algebraic groups who find they need to know something about Jordan algebras and will provide Jordan algebraists with new techniques and a new approach to finite-dimensional algebras over fields." American Scientist
Category: Mathematics

Collected Papers

Author : Armand Borel
ISBN : 3540676406
Genre : Mathematics
File Size : 39.33 MB
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This book collects the papers published by A. Borel from 1983 to 1999. About half of them are research papers, written on his own or in collaboration, on various topics pertaining mainly to algebraic or Lie groups, homogeneous spaces, arithmetic groups (L2-spectrum, automorphic forms, cohomology and covolumes), L2-cohomology of symmetric or locally symmetric spaces, and to the Oppenheim conjecture. Other publications include surveys and personal recollections (of D. Montgomery, Harish-Chandra, and A. Weil), considerations on mathematics in general and several articles of a historical nature: on the School of Mathematics at the Institute for Advanced Study, on N. Bourbaki and on selected aspects of the works of H. Weyl, C. Chevalley, E. Kolchin, J. Leray, and A. Weil. The book concludes with an essay on H. Poincaré and special relativity. Some comments on, and corrections to, a number of papers have also been added.
Category: Mathematics