Ring Theory and Applications
Keywords |
Classification |
Keyword |
OFICIAL |
Mathematics |
Instance: 2018/2019 - 2S 
Cycles of Study/Courses
Teaching language
Portuguese
Objectives
Familiarization with basic ring and field theory and some of its applications.
Learning outcomes and competences
Understanding the basic concepts and results of ring and field theory, including homomorphisms, ideals, polynomial rings, field extensions, the structure of finite fields, and their applications, namely in cryptography and error correcting codes.
Working method
Presencial
Pre-requirements (prior knowledge) and co-requirements (common knowledge)
It is recommended that students previously take courses introducing abstract algebraic concepts such as "Teoria de Grupos" and "Álgebra Linear e Geometria Analítica I".
Program
Expected syllabus: Notion of ring, of integral domain, and of field. Subrings. Homomorphisms and isomorphisms. Direct product of rings. Field of fractions of an integral domain. Rings of polynomials with coefficients in a field. Irreducible polynomials. Ideals and quotient rings. Fundamental theorem of homomorphism. Prime ideals and maximal ideals. Fields obtained as quotients of polynomial rings. Field extensions. Finite fields. The use of finite fields in cryptography (AES) and error correcting codes. Time permitting, a brief introduction to Galois theory and its applications.
Mandatory literature
Thomas W. Judson; Abstract Algebra Theory and Applications (open textbook made available by the author at http://abstract.ups.edu)
Complementary Bibliography
Fraleigh John B.;
A first course in abstract algebra. ISBN: 9781292024967
Norman R. Reilly; Introduction to Applied Algebraic Systems, Oxford University Press, 2009. ISBN: 9780195367874
Teaching methods and learning activities
Presentation of the course material by the teacher. Solution and discussion of exercises.
keywords
Physical sciences > Mathematics > Algebra
Evaluation Type
Evaluation with final exam
Assessment Components
designation |
Weight (%) |
Exame |
100,00 |
Total: |
100,00 |
Amount of time allocated to each course unit
designation |
Time (hours) |
Estudo autónomo |
106,00 |
Frequência das aulas |
56,00 |
Total: |
162,00 |
Eligibility for exams
No restrictions.
Calculation formula of final grade
Final exam only.