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Explore the main algebraic structures and number systems thatplay a central role across the field of mathematics Algebra and number theory are two powerful branches of modernmathematics at the forefront of current mathematical research, andeach plays an increasingly significant role in different branchesof mathematics, from geometry and topology to computing andcommunications. Based on the authors' extensive experience withinthe field, Algebra and Number Theory has an innovativeapproach that integrates three disciplines--linear algebra,abstract algebra, and number theory--into one comprehensiveand fluid presentation, facilitating a deeper understanding of thetopic and improving readers' retention of the main concepts. The book begins with an introduction to the elements of settheory. Next, the authors discuss matrices, determinants, andelements of field theory, including preliminary information relatedto integers and complex numbers. Subsequent chapters explore keyideas relating to linear algebra such as vector spaces, linearmapping, and bilinear forms. The book explores the development ofthe main ideas of algebraic structures and concludes withapplications of algebraic ideas to number theory. Interesting applications are provided throughout to demonstratethe relevance of the discussed concepts. In addition, chapterexercises allow readers to test their comprehension of thepresented material. Algebra and Number Theory is an excellent book forcourses on linear algebra, abstract algebra, and number theory atthe upper-undergraduate level. It is also a valuable reference forresearchers working in different fields of mathematics, computerscience, and engineering as well as for individuals preparing for acareer in mathematics education.

**MARTYN R. DIXON, PHD,** is Professor in the Department of Mathematics at the University of Alabama, Tuscaloosa. He has authored more than sixty published journal articles on infinite group theory, formation theory and Fitting classes, wreath products, and automorphism groups.

**LEONID A. KURDACHENKO, PHD,** is Distinguished Professor and Chair of the Department of Algebra at the Dnepropetrovsk National University (Ukraine). Dr. Kurdachenko has authored more than 150 journal articles on the topics of infinite-dimensional linear groups, infinite groups, and module theory.

**IGOR YA. SUBBOTIN, PHD,** is Professor in the Department of Mathematics and Natural Sciences at National University (California). Dr. Subbotin is the author of more than 100 published journal articles on group theory, cybernetics, and mathematics education.**Klappentext**

**Explore the main algebraic structures and number systems that play a central role across the field of mathematics**

Algebra and number theory are two powerful branches of modern mathematics at the forefront of current mathematical research, and each plays an increasingly significant role in different branches of mathematics, from geometry and topology to computing and communications. Based on the authors' extensive experience within the field, *Algebra and Number Theory* has an innovative approach that integrates three disciplineslinear algebra, abstract algebra, and number theoryinto one comprehensive and fluid presentation, facilitating a deeper understanding of the topic and improving readers' retention of the main concepts.

The book begins with an introduction to the elements of set theory. Next, the authors discuss matrices, determinants, and elements of field theory, including preliminary information related to integers and complex numbers. Subsequent chapters explore key ideas relating to linear algebra such as vector spaces, linear mapping, and bilinear forms. The book explores the development of the main ideas of algebraic structures and concludes with applications of algebraic ideas to number theory.

Interesting applications are provided throughout to demonstrate the relevance of the discussed concepts. In addition, chapter exercises allow readers to test their comprehension of the presented material.

*Algebra and Number Theory* is an excellent book for courses on linear algebra, abstract algebra, and number theory at the upper-undergraduate level. It is also a valuable reference for researchers working in different fields of mathematics, computer science, and engineering as well as for individuals preparing for a career in mathematics education.**Inhalt**

Preface ix

**Chapter 1 Sets 1**

1.1 Operations on Sets 1

Exercise Set 1.1 6

1.2 Set Mappings 8

Exercise Set 1.2 19

1.3 Products of Mappings 20

Exercise Set 1.3 26

1.4 Some Properties of Integers 28

Exercise Set 1.4 39

**Chapter 2 Matrices and Determinants 41**

2.1 Operations on Matrices 41

Exercise Set 2.1 52

2.2 Permutations of Finite Sets 54

Exercise Set 2.2 64

2.3 Determinants of Matrices 66

Exercise Set 2.3 77

2.4 Computing Determinants 79

Exercise Set 2.4 91

2.5 Properties of the Product of Matrices 93

Exercise Set 2.5 103

**Chapter 3 Fields 105**

3.1 Binary Algebraic Operations 105

Exercise Set 3.1 118

3.2 Basic Properties of Fields 119

Exercise Set 3.2 129

3.3 The Field of Complex Numbers 130

Exercise Set 3.3 144

**Chapter 4 Vector Spaces 145**

4.1 Vector Spaces 146

Exercise Set 4.1 158

4.2 Dimension 159

Exercise Set 4.2 172

4.3 The Rank of a Matrix 174

Exercise Set 4.3 181

4.4 Quotient Spaces 182

Exercise Set 4.4 186

**Chapter 5 Linear Mappings 187**

5.1 Linear Mappings 187

Exercise Set 5.1 199

5.2 Matrices of Linear Mappings 200

Exercise Set 5.2 207

5.3 Systems of Linear Equations 209

Exercise Set 5.3 215

5.4 Eigenvectors and Eigenvalues 217

Exercise Set 5.4 223

**Chapter 6 Bilinear Forms 226**

6.1 Bilinear Forms 226

Exercise Set 6.1 234

6.2 Classical Forms 235

Exercise Set 6.2 247

6.3 Symmetric Forms over R 250

Exercise Set 6.3 257

6.4 Euclidean Spaces 259

Exercise Set 6.4 269

**Chapter 7 Rings 272**

7.1 Rings, Subrings, and Examples 272

Exercise Set 7.1 287

7.2 Equivalence Relations 288

Exercise Set 7.2 295

7.3 Ideals and Quotient Rings 297

Exercise Set 7.3 303

7.4 Homomorphisms of Rings 303

Exercise Set 7.4 313

7.5 Rings of Polynomials and Formal Power Series 315

Exercise Set 7.5 327

7.6 Rings of Multivariable Polynomials 328

Exercise Set 7.6 336

**Chapter 8 Groups 338**

8.1 Groups and Subgroups 338

Exercise Set 8.1 348

8.2 Examples of Groups and Subgroups 349

Exercise Set 8.2 358

8.3 Cosets 359

Exercise Set 8.3 364

8.4 Normal Subgroups and Factor Groups 365

Exercise Set 8.4 374

8.5 Homomorphisms of Groups 375

Exercise Set 8.5 382

**Chapter 9 Arithmetic Properties of Rings 384**

9.1 Extending Arithmetic to Commutative Rings 384

Exercise Set 9.1 399

9.2 Euclidean Rings 400

Exercise Set 9.2 404

9.3 Irreducible Polynomials 406

Exercise Set 9.3 415

9.4 Arithmetic Functions 416

Exercise Set 9.4 429

9.5 Congruences 430

Exercise Set 9.5 446

**Chapter 10 The Real Number System 448**

10.1 The Natural Numbers 448

10.2 The Integers 458

10.3 The Rationals 468

10.4 The Real Numbers 477

Answers to Selected Exercises 489

Index 513

- Titel
- Algebra and Number Theory

- Untertitel
- An Integrated Approach

- Autor

- EAN
- 9780470640531

- ISBN
- 978-0-470-64053-1

- Format
- E-Book (pdf)

- Hersteller
- Wiley

- Herausgeber
- Wiley

- Genre
- Mathematik

- Veröffentlichung
- 15.07.2011

- Digitaler Kopierschutz
- Adobe-DRM

- Dateigrösse
- 19.28 MB

- Anzahl Seiten
- 544

- Jahr
- 2011