Algebraic number theory for beginners : following a path from Euclid to Noether
著者
書誌事項
Algebraic number theory for beginners : following a path from Euclid to Noether
Cambridge University Press, 2022
- : pbk
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
This book introduces algebraic number theory through the problem of generalizing 'unique prime factorization' from ordinary integers to more general domains. Solving polynomial equations in integers leads naturally to these domains, but unique prime factorization may be lost in the process. To restore it, we need Dedekind's concept of ideals. However, one still needs the supporting concepts of algebraic number field and algebraic integer, and the supporting theory of rings, vector spaces, and modules. It was left to Emmy Noether to encapsulate the properties of rings that make unique prime factorization possible, in what we now call Dedekind rings. The book develops the theory of these concepts, following their history, motivating each conceptual step by pointing to its origins, and focusing on the goal of unique prime factorization with a minimum of distraction or prerequisites. This makes a self-contained easy-to-read book, short enough for a one-semester course.
目次
- Preface
- 1. Euclidean arithmetic
- 2. Diophantine arithmetic
- 3. Quadratic forms
- 4. Rings and fields
- 5. Ideals
- 6. Vector spaces
- 7. Determinant theory
- 8. Modules
- 9. Ideals and prime factorization
- References
- Index.
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