抽象代數講義(第3捲)(英文) [Lectures in Abstract Algebra 3]

抽象代數講義(第3捲)(英文) [Lectures in Abstract Algebra 3] pdf epub mobi txt 電子書 下載 2025

[德] 雅格布斯(Jacobson N.) 著
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齣版社: 世界圖書齣版公司
ISBN:9787510061530
版次:1
商品編碼:11308633
包裝:平裝
外文名稱:Lectures in Abstract Algebra 3
開本:24開
齣版時間:2013-10-01
用紙:膠版紙
頁數:323
正文語種:英文

具體描述

內容簡介

  The present Vrolume completes the series of texts on algebra which the author began more than ten years ago. The account of field theory and Galois theory which we girre here is based on the notions and results of general algebra which appear in our first volume and on the more elementary parts of the second volume, dealing with linear algebra. The level of the present work .is roughly the same as that of Volume II.

內頁插圖

目錄

INTRODUCTION
S ECTION
1. Extension of homomorphisms
2. Algebras
3. Tensor products of vector spaces
4. Tensor product of algebras

CHAPTER I: FINITE DIMENSIONAL EXTENSION FIELDS
1 Some vector spaces associated with mappings of fields
2. The Jacobson-Bourbaki correspondence
3. Dedekind independence theorem for isomorphisms of a field
4. Finite groups of automorphisms.
5. Splitting field of a polynomial
6. Multiple roots. Separable polynomials
7. The "fundamental theorem" of Galois theory
8. Normal extensions. Normal closures
9. Structure of algebraic extensions. Separability
10. Degrees of separability and inseparability. Structure of normal extensions
11. Primitive elements
12. Normalbases
13. Finitefields
14. Regular representation, trace and norm
15. Galois cohomology
16. Composites of fields

CHAPTER II: GALOIS THEORY OF EQUATIOIVS
1. The Galois group of an equation
2. Pureequations
3. Galois' criterion for solvability by radicals
4. The general equation of n-th degree
5. Equations with rational coefficients and symmetric group as Galoisgroup

CHAPTER Ⅲ: ABELIAN EXTENSlONS
1. Cyclotomic fields over the rationals
2. Characters of finite commutatiye groups
3. Kummer extensions
4. Witt rrectors
5. Abelian p-extensions

CHAPTER Ⅳ: STRUCTURE THEORY OF FIELDS
1 Algebraically closed fields
2. Infinite Galois theory
3. Transcendency basis
4. Luroth's theorem.
5. Linear disjointness and separating transcendency bases
6. Derivations
7. Derivations, separability and p-independence
8. Galois theory for purely inseparable extensions of exponert one
9. Higher derivations
10. Tensor products of fields
11. Free composites offields

CHAPTER V: VALUATION .THEORY
1. Realvaluations
2. Real valuations of the field of rational numbers
3. Real valuations of (x) which are trivial in
4. Completionofafield
5. Some properties of the field of p-adic numbers
6. Hensel'slemma
7. Construction of complete fields with given residue fields
8. Ordered groups and-valuations
9. Valuations, valuation rings, and places
10. Characterization of real non-archimedean valuations
11. Extension of homomorphisms and valuations
12. Application of the extension theorem: Hilbert Nullstellensatz
13. Application of the extension theorem: integral closure
……

CHAPTER VI: ARTIN-SCHREIER THEORY
Index

前言/序言



用戶評價

評分

代數學經典教材之一,非常的好,三本其中的一本,好書!

評分

可以

評分

包裝還行,活動時買的。還沒看,先收藏。

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經典之作經典之作

評分

一塊買瞭幾本書,結果每本書品相都不怎麼樣,是不是覺得買的多,給你差一點的也無所謂。

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很便宜,書很好

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知我者謂我心憂知我者謂我心憂是剛迴宿捨

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