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MATH 402 (Algebraic Structures)


DESCRIPTION This is the less theoretical of the two upper level undergraduate abstract algebra courses.  (Student's planning graduate work in mathematics should take the other course in abstract algebra, MATH 403.)  The course covers the basics of groups, rings, integral domains and fields. There will be a detailed study of several groups, and a study of the properties of integers and polynomials. Emphasis is on the origin of the mathematical ideas studied and the logical structure of the subject. (This course is not open to mathematics graduate students. Credit will only be given for one of Math 402 and 403.) The last item in the list of topics could be replaced by other topics in algebra, for example, coding theory or crystallographic groups. 
PREREQUISITES MATH 240 or equivalent
TOPICS Preliminaries
     Induction
     Equivalence relations
     Functions
Groups
     Groups and symmetries
     Finite groups
     Cyclic groups
     Subgroups
     Permutation groups
     Cosets and Lagrange's Theorem
     External direct product
     Normal subgroups and factor groups
     Homomorphisms
     The structure of finite abelian groups
Rings
    Introduction to rings
    Integral domains
    Ideals and factor rings
    Ring homomorphisms
Polynomial Rings
    Division Algorithm
    Unique Factorization of Polynomials
    Divisibility in Integral Domains
Fields
    Extension Fields
    Algebraic Extensions
    Finite Fields
Geometric Constructions
    Constructible numbers
    Trisecting an angle
    Duplicating a cube
    Squaring a circle
TEXT Text(s) typically used in this course.