Algebra: Aus dem Englischen übersetzt von Annette A'Campo

Overview

Diese ungewöhnliche Einführung in lineare Algebra und Algebra ist über viele Jahre aus den Vorlesungsnotizen des Autors gewachsen und zeichnet sich aus durch einen harmonischen Aufbau des behandelten Stoffes. Als eine Besonderheit umfasst dieser nebst den üblichen Inhalten auch die Betonung spezieller Themen wie Symmetrie, lineare Gruppen und quadratische Zahlkörper. Der Text besticht insbesondere durch eine für den Studenten besonders verständliche Präsentation des Stoffes. Zahlreiche Beispiele und ...

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Overview

Diese ungewöhnliche Einführung in lineare Algebra und Algebra ist über viele Jahre aus den Vorlesungsnotizen des Autors gewachsen und zeichnet sich aus durch einen harmonischen Aufbau des behandelten Stoffes. Als eine Besonderheit umfasst dieser nebst den üblichen Inhalten auch die Betonung spezieller Themen wie Symmetrie, lineare Gruppen und quadratische Zahlkörper. Der Text besticht insbesondere durch eine für den Studenten besonders verständliche Präsentation des Stoffes. Zahlreiche Beispiele und Übungsaufgaben erhöhen seinen Wert als studienbegleitende Literatur für die ersten drei bis vier Semester des Studiums der Mathematik und verwandter Gebiete. Dieses sehr lebendig geschriebene Lehrbuch umfasst sowohl lineare Algebra (Matrizen, Vektorräume, lineare Abbildungen und Bilinearformen) als auch Algebra (Gruppen, Ringe, Moduln, Darstellungen von Gruppen und Körpertheorie). Darüberhinaus werden die Themen Symmetrie, lineare Gruppen und quadratische Zahlkörper ausführlicher behandelt. Diese Kapitel illustrieren nicht nur die enge Verbindung zwischen Algebra einerseits und Geometrie bzw. Zahlentheorie andererseits, sie lassen auch besonders viel von der Begeisterung und dem persönlichen Engagement des Autors spüren. Er hat in dieses Buch die Summe der Erfahrungen einfliessen lassen, die er im Laufe vieler Jahre mit Algebravorlesungen gemacht hat. Der Stoff wird sehr verständlich präsentiert und ist mit einer Fülle von Beispielen angereichert, die die abstrakte Begriffsbildungen motivieren und veranschaulichen. Dadurch ist das Buch, das ausserdem zahlreiche Übungsaufgaben enthält, auch zum Selbststudium hervorragend geeignet.

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Product Details

  • ISBN-13: 9783764359386
  • Publisher: Birkhauser Basel
  • Publication date: 5/19/1998
  • Language: German
  • Series: Grundstudium Mathematik Series
  • Edition description: 1993
  • Edition number: 1
  • Pages: 705

Meet the Author

Michael Artin received his A.B. from Princeton University in 1955, and his M.A. and Ph.D. from Harvard University in 1956 and 1960, respectively. He continued at Harvard as Benjamin Peirce Lecturer, 1960—63. He joined the MIT mathematics faculty in 1963, and was appointed Norbert Wiener Professor from 1988—93. Outside MIT, Artin served as President of the American Mathematical Society from 1990-92. He has received honorary doctorate degrees from the University of Antwerp and University of Hamburg.

Professor Artin is an algebraic geometer, concentrating on non-commutative algebra. He has received many awards throughout his distinguished career, including the Undergraduate Teaching Prize and the Educational and Graduate Advising Award. He received the Leroy P. Steele Prize for Lifetime Achievement from the AMS. In 2005 he was honored with the Harvard Graduate School of Arts & Sciences Centennial Medal, for being "an architect of the modern approach to algebraic geometry." Professor Artin is a Member of the National Academy of Sciences, Fellow of the American Academy of Arts & Sciences, Fellow of the American Association for the Advancement of Science, and Fellow of the Society of Industrial and Applied Mathematics. He is a Foreign Member of the Royal Holland Society of Sciences, and Honorary Member of the Moscow Mathematical Society.

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Table of Contents

1. Matrices

1.1 The Basic Operations

1.2 Row Reduction

1.3 The Matrix Transpose

1.4 Determinants

1.5 Permutations

1.6 Other Formulas for the Determinant

1.7 Exercises

2. Groups

2.1 Laws of Composition

2.2 Groups and Subgroups

2.3 Subgroups of the Additive Group of Integers

2.4 Cyclic Groups

2.5 Homomorphisms

2.6 Isomorphisms

2.7 Equivalence Relations and Partitions

2.8 Cosets

2.9 Modular Arithmetic

2.10 The Correspondence Theorem

2.11 Product Groups

2.12 Quotient Groups

2.13 Exercises

3. Vector Spaces

3.1 Subspaces of Rn

3.2 Fields

3.3 Vector Spaces

3.4 Bases and Dimension

3.5 Computing with Bases

3.6 Direct Sums

3.7 Infinite-Dimensional Spaces

3.8 Exercises

4. Linear Operators

4.1 The Dimension Formula

4.2 The Matrix of a Linear Transformation

4.3 Linear Operators

4.4 Eigenvectors

4.5 The Characteristic Polynomial

4.6 Triangular and Diagonal Forms

4.7 Jordan Form

4.8 Exercises

5. Applications of Linear Operators

5.1 Orthogonal Matrices and Rotations

5.2 Using Continuity

5.3 Systems of Differential Equations

5.4 The Matrix Exponential

5.5 Exercises

6. Symmetry

6.1 Symmetry of Plane Figures

6.2 Isometries

6.3 Isometries of the Plane

6.4 Finite Groups of Orthogonal Operators on the Plane

6.5 Discrete Groups of Isometries

6.6 Plane Crystallographic Groups

6.7 Abstract Symmetry: Group Operations

6.8 The Operation on Cosets

6.9 The Counting Formula

6.10 Operations on Subsets

6.11 Permutation Representation

6.12 Finite Subgroups of the Rotation Group

6.13 Exercises

7. More Group Theory

7.1 Cayley's Theorem

7.2 The Class Equation

7.3 r-groups

7.4 The Class Equation of the Icosahedral Group

7.5 Conjugation in the Symmetric Group

7.6 Normalizers

7.7 The Sylow Theorems

7.8 Groups of Order 12

7.9 The Free Group

7.10 Generators and Relations

7.11 The Todd-Coxeter Algorithm

7.12 Exercises

8. Bilinear Forms

8.1 Bilinear Forms

8.2 Symmetric Forms

8.3 Hermitian Forms

8.4 Orthogonality

8.5 Euclidean spaces and Hermitian spaces

8.6 The Spectral Theorem

8.7 Conics and Quadrics

8.8 Skew-Symmetric Forms

8.9 Summary

8.10 Exercises

9. Linear Groups

9.1 The Classical Groups

9.2 Interlude: Spheres

9.3 The Special Unitary Group SU2

9.4 The Rotation Group SO3

9.5 One-Parameter Groups

9.6 The Lie Algebra

9.7 Translation in a Group

9.8 Normal Subgroups of SL2

9.9 Exercises

10. Group Representations

10.1 Definitions

10.2 Irreducible Representations

10.3 Unitary Representations

10.4 Characters

10.5 One-Dimensional Characters

10.6 The Regular Representations

10.7 Schur's Lemma

10.8 Proof of the Orthogonality Relations

10.9 Representationsof SU2

10.10 Exercises

11. Rings

11.1 Definition of a Ring

11.2 Polynomial Rings

11.3 Homomorphisms and Ideals

11.4 Quotient Rings

11.5 Adjoining Elements

11.6 Product Rings

11.7 Fraction Fields

11.8 Maximal Ideals

11.9 Algebraic Geometry

11.10 Exercises

12. Factoring

12.1 Factoring Integers

12.2 Unique Factorization Domains

12.3 Gauss's Lemma

12.4 Factoring Integer Polynomial

12.5 Gauss Primes

12.6 Exercises

13. Quadratic Number Fields

13.1 Algebraic Integers

13.2 Factoring Algebraic Integers

13.3 Ideals in Z √(-5)

13.4 Ideal Multiplication

13.5 Factoring Ideals

13.6 Prime Ideals and Prime Integers

13.7 Ideal Classes

13.8 Computing the Class Group

13.9 Real Quadratic Fields

13.10 About Lattices

13.11 Exercises

14. Linear Algebra in a Ring

14.1 Modules

14.2 Free Modules

14.3 Identities

14.4 Diagonalizing Integer Matrices

14.5 Generators and Relations

14.6 Noetherian Rings

14.7 Structure to Abelian Groups

14.8 Application to Linear Operators

14.9 Polynomial Rings in Several Variables

14.10 Exercises

15. Fields

15.1 Examples of Fields

15.2 Algebraic and Transcendental Elements

15.3 The Degree of a Field Extension

15.4 Finding the Irreducible Polynomial

15.5 Ruler and Compass Constructions

15.6 Adjoining Roots

15.7 Finite Fields

15.8 Primitive Elements

15.9 Function Fields

15.10 The Fundamental Theorem of Algebra

15.11 Exercises

16. Galois Theory

16.1 Symmetric Functions

16.2 The Discriminant

16.3 Splitting Fields

16.4 Isomorphisms of Field Extensions

16.5 Fixed Fields

16.6 Galois Extensions

16.7 The Main Theorem

16.8 Cubic Equations

16.9 Quartic Equations

16.10 Roots of Unity

16.11 Kummer Extensions

16.12 Quintic Equations

16.13 Exercises

Appendix A. Background Material

A.1 About Proofs

A.2 The Integers

A.3 Zorn's Lemma

A.4 The Implicit Function Theorem

A.5 Exercises

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