Quadratic Number Fields
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Author | : Franz Lemmermeyer |
Publisher | : Springer Nature |
Total Pages | : 348 |
Release | : 2021-09-18 |
Genre | : Mathematics |
ISBN | : 3030786528 |
Download Quadratic Number Fields Book in PDF, Epub and Kindle
This undergraduate textbook provides an elegant introduction to the arithmetic of quadratic number fields, including many topics not usually covered in books at this level. Quadratic fields offer an introduction to algebraic number theory and some of its central objects: rings of integers, the unit group, ideals and the ideal class group. This textbook provides solid grounding for further study by placing the subject within the greater context of modern algebraic number theory. Going beyond what is usually covered at this level, the book introduces the notion of modularity in the context of quadratic reciprocity, explores the close links between number theory and geometry via Pell conics, and presents applications to Diophantine equations such as the Fermat and Catalan equations as well as elliptic curves. Throughout, the book contains extensive historical comments, numerous exercises (with solutions), and pointers to further study. Assuming a moderate background in elementary number theory and abstract algebra, Quadratic Number Fields offers an engaging first course in algebraic number theory, suitable for upper undergraduate students.
Author | : Mak Trifković |
Publisher | : Springer Science & Business Media |
Total Pages | : 206 |
Release | : 2013-09-14 |
Genre | : Mathematics |
ISBN | : 1461477174 |
Download Algebraic Theory of Quadratic Numbers Book in PDF, Epub and Kindle
By focusing on quadratic numbers, this advanced undergraduate or master’s level textbook on algebraic number theory is accessible even to students who have yet to learn Galois theory. The techniques of elementary arithmetic, ring theory and linear algebra are shown working together to prove important theorems, such as the unique factorization of ideals and the finiteness of the ideal class group. The book concludes with two topics particular to quadratic fields: continued fractions and quadratic forms. The treatment of quadratic forms is somewhat more advanced than usual, with an emphasis on their connection with ideal classes and a discussion of Bhargava cubes. The numerous exercises in the text offer the reader hands-on computational experience with elements and ideals in quadratic number fields. The reader is also asked to fill in the details of proofs and develop extra topics, like the theory of orders. Prerequisites include elementary number theory and a basic familiarity with ring theory.
Author | : J. L. Lehman |
Publisher | : American Mathematical Soc. |
Total Pages | : 394 |
Release | : 2019-02-13 |
Genre | : Algebraic fields |
ISBN | : 1470447371 |
Download Quadratic Number Theory: An Invitation to Algebraic Methods in the Higher Arithmetic Book in PDF, Epub and Kindle
Quadratic Number Theory is an introduction to algebraic number theory for readers with a moderate knowledge of elementary number theory and some familiarity with the terminology of abstract algebra. By restricting attention to questions about squares the author achieves the dual goals of making the presentation accessible to undergraduates and reflecting the historical roots of the subject. The representation of integers by quadratic forms is emphasized throughout the text. Lehman introduces an innovative notation for ideals of a quadratic domain that greatly facilitates computation and he uses this to particular effect. The text has an unusual focus on actual computation. This focus, and this notation, serve the author's historical purpose as well; ideals can be seen as number-like objects, as Kummer and Dedekind conceived of them. The notation can be adapted to quadratic forms and provides insight into the connection between quadratic forms and ideals. The computation of class groups and continued fraction representations are featured—the author's notation makes these computations particularly illuminating. Quadratic Number Theory, with its exceptionally clear prose, hundreds of exercises, and historical motivation, would make an excellent textbook for a second undergraduate course in number theory. The clarity of the exposition would also make it a terrific choice for independent reading. It will be exceptionally useful as a fruitful launching pad for undergraduate research projects in algebraic number theory.
Author | : David Hilbert |
Publisher | : Springer Science & Business Media |
Total Pages | : 360 |
Release | : 2013-03-14 |
Genre | : Mathematics |
ISBN | : 3662035456 |
Download The Theory of Algebraic Number Fields Book in PDF, Epub and Kindle
A translation of Hilberts "Theorie der algebraischen Zahlkörper" best known as the "Zahlbericht", first published in 1897, in which he provides an elegantly integrated overview of the development of algebraic number theory up to the end of the nineteenth century. The Zahlbericht also provided a firm foundation for further research in the theory, and can be seen as the starting point for all twentieth century investigations into the subject, as well as reciprocity laws and class field theory. This English edition further contains an introduction by F. Lemmermeyer and N. Schappacher.
Author | : J. W. S. Cassels |
Publisher | : Courier Dover Publications |
Total Pages | : 429 |
Release | : 2008-08-08 |
Genre | : Mathematics |
ISBN | : 0486466701 |
Download Rational Quadratic Forms Book in PDF, Epub and Kindle
Exploration of quadratic forms over rational numbers and rational integers offers elementary introduction. Covers quadratic forms over local fields, forms with integral coefficients, reduction theory for definite forms, more. 1968 edition.
Author | : Fred Wayne Dodd |
Publisher | : |
Total Pages | : 168 |
Release | : 1983 |
Genre | : Mathematics |
ISBN | : |
Download Number Theory in the Quadratic Field with Golden Section Unit Book in PDF, Epub and Kindle
Author | : Tsit-Yuen Lam |
Publisher | : Addison-Wesley |
Total Pages | : 344 |
Release | : 1980 |
Genre | : Mathematics |
ISBN | : 9780805356663 |
Download The Algebraic Theory of Quadratic Forms Book in PDF, Epub and Kindle
Author | : M. Ishida |
Publisher | : Springer |
Total Pages | : 123 |
Release | : 2006-12-08 |
Genre | : Mathematics |
ISBN | : 3540375538 |
Download The Genus Fields of Algebraic Number Fields Book in PDF, Epub and Kindle
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Author | : Daniel A. Marcus |
Publisher | : Springer |
Total Pages | : 213 |
Release | : 2018-07-05 |
Genre | : Mathematics |
ISBN | : 3319902334 |
Download Number Fields Book in PDF, Epub and Kindle
Requiring no more than a basic knowledge of abstract algebra, this text presents the mathematics of number fields in a straightforward, pedestrian manner. It therefore avoids local methods and presents proofs in a way that highlights the important parts of the arguments. Readers are assumed to be able to fill in the details, which in many places are left as exercises.
Author | : Hatice Boylan |
Publisher | : Springer |
Total Pages | : 150 |
Release | : 2014-12-05 |
Genre | : Mathematics |
ISBN | : 3319129163 |
Download Jacobi Forms, Finite Quadratic Modules and Weil Representations over Number Fields Book in PDF, Epub and Kindle
The new theory of Jacobi forms over totally real number fields introduced in this monograph is expected to give further insight into the arithmetic theory of Hilbert modular forms, its L-series, and into elliptic curves over number fields. This work is inspired by the classical theory of Jacobi forms over the rational numbers, which is an indispensable tool in the arithmetic theory of elliptic modular forms, elliptic curves, and in many other disciplines in mathematics and physics. Jacobi forms can be viewed as vector valued modular forms which take values in so-called Weil representations. Accordingly, the first two chapters develop the theory of finite quadratic modules and associated Weil representations over number fields. This part might also be interesting for those who are merely interested in the representation theory of Hilbert modular groups. One of the main applications is the complete classification of Jacobi forms of singular weight over an arbitrary totally real number field.