Books - Number Theory: Volume II: Analytic and Modern Tools (Graduate Texts in Mathematics)

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Number Theory: Volume II: Analytic and Modern Tools (Graduate Texts in Mathematics)

by: Henri Cohen

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Binding: Hardcover
Dewey Decimal Number: 512.7
EAN: 9780387498935
Edition: 1
ISBN: 0387498931
Label: Springer
Manufacturer: Springer
Number Of Items: 1
Number Of Pages: 596
Publication Date: May 23, 2007
Publisher: Springer
Studio: Springer

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Editorial Review:This book deals with several aspects of what is now called "explicit number theory." The central theme is the solution of Diophantine equations, i.e., equations or systems of polynomial equations which must be solved in integers, rational numbers or more generally in algebraic numbers. This theme, in particular, is the central motivation for the modern theory of arithmetic algebraic geometry. In this text, this is considered through three of its most basic aspects.

The first is the local aspect: one can do analysis in p-adic fields, and here the author starts by looking at solutions in finite fields, then proceeds to lift these solutions to local solutions using Hensel lifting. The second aspect is the global aspect: the use of number fields, and in particular of class groups and unit groups. The third aspect is the theory of zeta and L-functions. This last aspect can be considered as a unifying theme for the whole subject, and embodies in a beautiful way the local and global aspects of Diophantine problems. In fact, these functions are defined through the local aspects of the problems, but their analytic behavior is intimately linked to the global aspects.

Much more sophisticated techniques have been brought to bear on the subject of Diophantine equations, and for this reason, the author has included 5 appendices on these techniques. These appendices were written by Henri Cohen, Yann Bugeaud, Maurice Mignotte, Sylvain Duquesne, and Samir Siksek, and contain material on the use of Galois representations, the superfermat equation, Mihailescu’s proof of Catalan’s Conjecture, and applications of linear forms in logarithms.

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