# Introduction To Abstract Algebra

King's College London

## Course Description

• ### Course Name

Introduction To Abstract Algebra

• ### Host University

King's College London

• ### Location

London, England

• ### Area of Study

Calculus, Mathematics

• ### Language Level

Taught In English

• ### Course Level Recommendations

Lower

ISA offers course level recommendations in an effort to facilitate the determination of course levels by credential evaluators.We advice each institution to have their own credentials evaluator make the final decision regrading course levels.

### Hours & Credits

• UK Credits

15
• Recommended U.S. Semester Credits
4
• Recommended U.S. Quarter Units
6
• ### Overview

Introduction To Abstract Algebra
Module code: 4CCM121A
Semester: Semester 2 (spring)
Module description:
Aims of the course:
The main aim of the course is to introduce you to basic concepts from abstract algebra, especially the notion of a group. The course will help prepare you for further study in abstract algebra as well as familiarize you with tools essential in many other areas of mathematics. The course is also intended to help you in the transitions from concrete to abstract mathematical thinking and from a purely descriptive view of mathematics to one of definition and deduction.
Syllabus:
? The integers: Principle of induction, Division Algorithm, greatest common divisor. Linear diophantine equations. Prime numbers, unique factorisation.
? Groups: Examples - roots of unity, rotations, symmetries, dihedral groups, matrices, permutations. Group axioms and elementary properties. The order of an element and the orders of its powers. Subgroups, cosets, Lagrange's theorem. Cyclic groups, subgroups of cyclic groups. Homomorphisms, Kernels, isomorphisms, isomorphism classes of cyclic groups.
? Rings: Axioms, examples and elementary properties. Group of units of a ring, units of the ring of residue classes of integers modulo n. Integral domains, fields. Homomorphism and isomorphism of rings.
? Congruences: Solution of linear congruences. Simultaneous linear congruences, Chinese Remainder Theorem. Properties of the Euler function. Theorems of Euler and Fermat.
Polynomials: Degree. Euclidean Algorithm, greatest common divisor. Unique factorisation theorem for polynomials over a field. Number of zeros of a polynomial over a field. Polynomials over the rationals - Gauss's lemma, Eisenstein's criterion.
Credit level: 4
Credit value: 15
Assessment: written examination/s; coursework;

### Course Disclaimer

Courses and course hours of instruction are subject to change.

Eligibility for courses may be subject to a placement exam and/or pre-requisites.

Some courses may require additional fees.

Credits earned vary according to the policies of the students' home institutions. According to ISA policy and possible visa requirements, students must maintain full-time enrollment status, as determined by their home institutions, for the duration of the program.

Please reference fall and spring course lists as not all courses are taught during both semesters.

Please note that some courses with locals have recommended prerequisite courses. It is the student's responsibility to consult any recommended prerequisites prior to enrolling in their course.