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More About This Title Solutions Manual to Accompany Introduction to Abstract Algebra, Fourth Edition
English
An indispensable companion to the book hailed an "expository masterpiece of the highest didactic value" by Zentralblatt MATH
This solutions manual helps readers test and reinforce the understanding of the principles and real-world applications of abstract algebra gained from their reading of the critically acclaimed Introduction to Abstract Algebra. Ideal for students, as well as engineers, computer scientists, and applied mathematicians interested in the subject, it provides a wealth of concrete examples of induction, number theory, integers modulo n, and permutations. Worked examples and real-world problems help ensure a complete understanding of the subject, regardless of a reader's background in mathematics.
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W. KEITH NICHOLSON, PhD, is Professor in the Department of Mathematics and Statistics at the University of Calgary, Canada. He has published extensively in his areas of research interest, which include clean rings, morphic rings and modules, and quasi-morphic rings.
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0 Preliminaries 1
0.1 Proofs 1
0.2 Sets 2
0.3 Mappings 3
0.4 Equivalences 4
1 Integers and Permutations 6
1.1 Induction 6
1.2 Divisors and Prime Factorization 8
1.3 Integers Modulo 11
1.4 Permutations 13
2 Groups 17
2.1 Binary Operations 17
2.2 Groups 19
2.3 Subgroups 21
2.4 Cyclic Groups and the Order of an Element 24
2.5 Homomorphisms and Isomorphisms 28
2.6 Cosets and Lagrange's Theorem 30
2.7 Groups of Motions and Symmetries 32
2.8 Normal Subgroups 34
2.9 Factor Groups 36
2.10 The Isomorphism Theorem 38
2.11 An Application to Binary Linear Codes 43
3 Rings 47
3.1 Examples and Basic Properties 47
3.2 Integral Domains and Fields 52
3.3 Ideals and Factor Rings 55
3.4 Homomorphisms 59
3.5 Ordered Integral Domains 62
4 Polynomials 64
4.1 Polynomials 64
4.2 Factorization of Polynomials over a Field 67
4.3 Factor Rings of Polynomials over a Field 70
4.4 Partial Fractions 76
4.5 Symmetric Polynomials 76
5 Factorization in Integral Domains 81
5.1 Irreducibles and Unique Factorization 81
5.2 Principal Ideal Domains 84
6 Fields 88
6.1 Vector Spaces 88
6.2 Algebraic Extensions 90
6.3 Splitting Fields 94
6.4 Finite Fields 96
6.5 Geometric Constructions 98
6.7 An Application to Cyclic and BCH Codes 99
7 Modules over Principal Ideal Domains 102
7.1 Modules 102
7.2 Modules over a Principal Ideal Domain 105
8 p-Groups and the Sylow Theorems 108
8.1 Products and Factors 108
8.2 Cauchy’s Theorem 111
8.3 Group Actions 114
8.4 The Sylow Theorems 116
8.5 Semidirect Products 118
8.6 An Application to Combinatorics 119
9 Series of Subgroups 122
9.1 The Jordan-H¨older Theorem 122
9.2 Solvable Groups 124
9.3 Nilpotent Groups 127
10 Galois Theory 130
10.1 Galois Groups and Separability 130
10.2 The Main Theorem of Galois Theory 134
10.3 Insolvability of Polynomials 138
10.4 Cyclotomic Polynomials and Wedderburn's Theorem 140
11 Finiteness Conditions for Rings and Modules 142
11.1 Wedderburn's Theorem 142
11.2 The Wedderburn-Artin Theorem 143
Appendices 147
Appendix A: Complex Numbers 147
Appendix B: Matrix Arithmetic 148
Appendix C: Zorn's Lemma 149
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“This could also be an excellent adjunct to more theoretically oriented textbooks used in more intensive courses.” (Computing Reviews, 5 November 2012)
