Exploring Abstract Algebra with Mathematica (häftad)
Häftad (Paperback)
Antal sidor
Softcover reprint of the original 1st ed. 1999
Springer-Verlag New York Inc.
Levvasseur, K.
294 black & white illustrations, 20 black & white tables, biography
240 x 180 x 35 mm
800 g
Antal komponenter
Contains 1 Paperback and 1 CD-ROM

Exploring Abstract Algebra with Mathematica

Häftad, Engelska, 1999-02-01
768 kr
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This upper-division laboratory supplement for courses in abstract algebra consists of several Mathematica packages programmed as a foundation for group and ring theory. Additionally, the "user's guide" illustrates the functionality of the underlying code, while the lab portion of the book reflects the contents of the Mathematica-based electronic notebooks. Students interact with both the printed and electronic versions of the material in the laboratory, and can look up details and reference information in the user's guide. Exercises occur in the stream of the text of the lab, which provides a context within which to answer, and the questions are designed to be either written into the electronic notebook, or on paper. The notebooks are available in both 2.2 and 3.0 versions of Mathematica, and run across all platforms for which Mathematica exits. A very timely and unique addition to the undergraduate abstract algebra curriculum, filling a tremendous void in the literature.
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I Group Labs.- 1 Using Symmetry to Uncover a Group.- Getting started? Begin here.- A symmetry of an equilateral triangle.- Are there other symmetries?.- Multiplying the transformations.- Are there any commuters?.- Is it always bad to be closed-minded?.- We should try to find our identity.- Is it perverse to not have an inverse?.- Should we associate together?.- What else?.- Let's group it all together.- 2 Determining the Symmetry Group of a Given Figure.- Symmetries and how to find them.- Your turn.- 3 Is This a Group?.- When do we have a group?.- Your turn.- 4 Let's Get These Orders Straight.- Order of g and its inverse.- Distribution of the orders of elements in ?n.- Another look at orders.- What is P( \ g.- More questions about Un.- 5 Subversively Grouping Our Elements.- When do we have a subgroup?.- Subgroups of ?n.- P(H < G) for a random subset H ofG = ?n.- Necessary elements for full closure.- Subgroups of Un.- 6 Cycling Through the Groups.- What, when, how, and why about cyclic groups.- Cyclicity of ?m ? ?n.- Structure of intersections of subgroups of ?.- 7 Permutations.- What is a permutation?.- Computations with permutations.- Applications of permutations.- Questions about permutations.- 8 Isomorphisms.- What is an isomorphism?.- Creating Morphoids.- Seeing isomorphisms.- 9 Automorphisms.- Automorphisms on ?n.- Inner automorphisms.- 10 Direct Products.- What is a direct product?.- Order of an element in a direct product.- When is a direct product of cyclic groups cyclic?.- Isomorphisms among Un groups.- 11 Cosets.- Cosets, left and right.- Properties of cosets.- 12 Normality and Factor Groups.- Normal subgroups.- Making a new group.- Factor groups.- 13 Group Homomorphisms.- What is a group homomorphism?.- The kernel and image.- Properties that are preserved by homomorphisms.- The kernel is normal.- The First Homomorphism Theorem.- The alternating group-parity as a morphism.- 14 Rotational Groups of Regular Polyhedra.- The rotational group of the tetrahedron.- Further exercises.- II Ring Labs.- 1 Introduction to Rings and Ringoids.- Getting started? Begin here.- Ringoids and rings.- Properties of rings.- Additional exercises.- 2 Introduction to Rings, Part 2.- Units and zero divisors.- Integral domains.- Fields.- Additional exercises.- 3 An Ideal Part of Rings.- What is the ideal part of a ring?.- Ideals factor into other ring properties.- 4 What Does ?[i](a + b i) Look Like?.- Example 1.- Example 2.- 5 Ring Homomorphisms.- Morphoids on rings.- Ring homomorphisms.- The kernel and image.- The kernel is an ideal.- One-rule Morphoids.- The Chinese Remainder Theorem.- 6 Polynomial Rings.- to polynomials.- Divide and conquer.- 7 Factoring and Irreducibility.- to factoring and irreducibility.- Some techniques on testing the irreducibility of polynomials.- More polynomials for practice.- Toolbox of theorems.- Final perspective.- 8 Roots of Unity.- A closer look-graphically.- Another look-algebraically.- 9 Cyclotomic Polynomials.- Search for gn(x).- Some properties of ?x(x).- 10 Quotient Rings of Polynomials.- Polynomials over a field.- A homomorphism based on PolynomialRemainder.- Defining a quotient ring of polynomials.- The PolynomialRemainder function ? is indeed a homomorphism.- Is V a field?.- Is V what we claimed?.- 11 Quadratic Field Extensions.- The general problem.- An extension of ?3 using Mathematica.- Theorems motivated from this lab.- 12 Factoring in ?[?d].- to divisibility.- Associates, irreducibility, and norms.- Units in?[?d].- Factoring 46 in ?[?5].- Is ?[?6] a UFD?.- 13 Finite Fields.- Creation of finite fields.- Finite field theorems and illustrations.- III User's Guide.- 1 Introduction to Abstract Algebra.- Packages in AbstractAlgebra.- Basic structures used in AbstractAlgebra.- How to use a Mode.- Using Visual mode with "large" elements.- How to change the Structure.- 2 Groupolds.- Forming Groupoids.- Structure of Groupoids.- Testing the defining properties of a group.- Built-in groupoids.- U