Thinking Algebraically: An Introduction to Abstract Algebra
- Length: 478 pages
- Edition: 1
- Language: English
- Publisher: American Mathematical Society
- Publication Date: 2021-04-08
- ISBN-10: 1470460300
- ISBN-13: 9781470460303
- Sales Rank: #1374945 (See Top 100 Books)
Thinking Algebraically presents the insights of abstract algebra in a welcoming and accessible way. It succeeds in combining the advantages of rings\-first and groups\-first approaches while avoiding the disadvantages. After an historical overview, the first chapter studies familiar examples and elementary properties of groups and rings simultaneously to motivate the modern understanding of algebra. The text builds intuition for abstract algebra starting from high school algebra. In addition to the standard number systems, polynomials, vectors, and matrices, the first chapter introduces modular arithmetic and dihedral groups. The second chapter builds on these basic examples and properties, enabling students to learn structural ideas common to rings and groups: isomorphism, homomorphism, and direct product. The third chapter investigates introductory group theory. Later chapters delve more deeply into groups, rings, and fields, including Galois theory, and they also introduce other topics, such as lattices. The exposition is clear and conversational throughout.\n\nThe book has numerous exercises in each section as well as supplemental exercises and projects for each chapter. Many examples and well over 100 figures provide support for learning. Short biographies introduce the mathematicians who proved many of the results. The book presents a pathway to algebraic thinking in a semester\- or year\-long algebra course.
Cover Title page Copyright Contents Preface Topics Features Prologue Exercises Chapter 1. A Transitionto Abstract Algebra 1.1. An Historical View of Algebra Exercises 1.2. Basic Algebraic Systems and Properties Exercises 1.3. Functions, Symmetries,* and Modular Arithmetic Exercises Supplemental Exercises Projects Chapter 2. Relationshipsbetween Systems 2.1. Isomorphisms Exercises 2.2. Elements and Subsets Exercises 2.3. Direct Products Exercises 2.4. Homomorphisms Exercises Supplemental Exercises Projects Chapter 3. Groups 3.1. Cyclic Groups Exercises 3.2. Abelian Groups Exercises 3.3. Cayley Digraphs Exercises 3.4. Group Actions and Finite Symmetry Groups Exercises 3.5. Permutation Groups, Part I Exercises 3.6. Normal Subgroups and Factor Groups Exercises 3.7. Permutation Groups, Part II Exercises Supplemental Exercises Projects Appendix: The Fundamental Theorem* of Finite Abelian Groups Chapter 4. Rings, Integral Domains,and Fields 4.1. Rings and Integral Domains Exercises 4.2. Ideals and Factor Rings Exercises 4.3. Prime and Maximal Ideals Exercises 4.4. Properties of Integral Domains Exercises 4.5. Gröbner Bases in Algebraic Geometry Exercises 4.6. Polynomial Dynamical Systems Exercises Supplemental Exercises Projects Chapter 5. Vector Spacesand Field Extensions 5.1. Vector Spaces Exercises 5.2. Linear Codes and Cryptography Exercises 5.3. Algebraic Extensions Exercises 5.4. Geometric Constructions Exercises 5.5. Splitting Fields Exercises 5.6. Automorphisms of Fields Exercises 5.7. Galois Theory* and the Insolvability of the Quintic Exercises Supplemental Exercises Projects Chapter 6. Topics in Group Theory 6.1. Finite Symmetry Groups Exercises 6.2. Frieze, Wallpaper, and Crystal Patterns Exercises 6.3. Matrix Groups Exercises 6.4. Semidirect Products of Groups Exercises 6.5. The Sylow Theorems Exercises Supplemental Exercises Projects Chapter 7. Topics in Algebra 7.1. Lattices and Partial Orders Exercises 7.2. Boolean Algebras Exercises 7.3. Semigroups Exercises 7.4. Universal Algebra* and Preservation Theorems Exercises Supplemental Exercises Projects Epilogue Selected Answers Terms Symbols Names Back Cover
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