Jonathan D. H. Smith
Chapman and Hall/CRC
Published October 23, 2015
Textbook - 340 Pages - 52 B/W Illustrations
ISBN 9781498731614 - CAT# K26197
Series: Textbooks in Mathematics
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Introduction to Abstract Algebra, Second Edition presents abstract algebra as the main tool underlying discrete mathematics and the digital world. It avoids the usual groups first/rings first dilemma by introducing semigroups and monoids, the multiplicative structures of rings, along with groups.
This new edition of a widely adopted textbook covers applications from biology, science, and engineering. It offers numerous updates based on feedback from first edition adopters, as well as improved and simplified proofs of a number of important theorems. Many new exercises have been added, while new study projects examine skewfields, quaternions, and octonions.
The first three chapters of the book show how functional composition, cycle notation for permutations, and matrix notation for linear functions provide techniques for practical computation. These three chapters provide a quick introduction to algebra, sufficient to exhibit irrational numbers or to gain a taste of cryptography.
Chapters four through seven cover abstract groups and monoids, orthogonal groups, stochastic matrices, Lagrange’s theorem, groups of units of monoids, homomorphisms, rings, and integral domains. The first seven chapters provide basic coverage of abstract algebra, suitable for a one-semester or two-quarter course.
Each chapter includes exercises of varying levels of difficulty, chapter notes that point out variations in notation and approach, and study projects that cover an array of applications and developments of the theory.
The final chapters deal with slightly more advanced topics, suitable for a second-semester or third-quarter course. These chapters delve deeper into the theory of rings, fields, and groups. They discuss modules, including vector spaces and abelian groups, group theory, and quasigroups.
This textbook is suitable for use in an undergraduate course on abstract algebra for mathematics, computer science, and education majors, along with students from other STEM fields.
The Well-Ordering Principle
The Division Algorithm
Greatest common divisors
The Euclidean Algorithm
Primes and irreducibles
The Fundamental Theorem of Arithmetic
Semigroups of functions
Injectivity and surjectivity
Groups of permutations
Kernel and equivalence relations
The First Isomorphism Theorem for Sets
Groups and Monoids
Submonoids and subgroups
The First Isomorphism Theorem for Groups
The Law of Exponents
Polynomials over fields
Principal ideal domains
Fields of fractions
Factorization in integral domains
Unique factorization domains
Roots of polynomials
Uniqueness of splitting fields
Structure of finite fields
Representing a ring
"A complete course of instruction under one cover, Introduction to Abstract Algebra is a standard text that should be a part of every community and academic library mathematics reference collection in general, and algebraic studies supplemental reading in particular."
—Reviewer’s Bookwatch, December 2015
Smith’s update to the first edition (CH, Jul'09, 46-6260) is an alternative approach to the usual first semester in higher algebra. The author accomplishes this by including many topics often absent from a first course, such as quasigroups, Noetherian domains, and modules, which, theoretically, are developed alongside their mainstream analogues, like groups, rings, and vector spaces. It is essentially a first semester wink at universal algebra. Smith’s approach to axiomatic systems is few-too-many—he starts with structures with very few axioms, like semigroups and monoids, and continues adding axioms. He finishes with more complex axiomatic systems, like unique factorization domains and fields. The book is very well written and easy to read, flowing naturally from one topic to the next. Numerous supportive homework exercises are also included to help the reader explore further topics. This book will best serve readers with a background in abstract algebra who desire to strengthen their understanding and build bridges between various topics. Unfortunately, because many similar topics are handled in tandem, an inexperienced reader might become confused, especially as many clarifying examples are missing. This book is for readers who want an under the hood view of algebra.
--A. Misseldine, Southern Utah University 2015
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