Information Package / Course Catalogue
Banach Algebras
Course Code: MTK517
Course Type: Area Elective
Couse Group: Second Cycle (Master's Degree)
Education Language: Turkish
Work Placement: N/A
Theory: 3
Prt.: 0
Credit: 3
Lab: 0
ECTS: 8
Objectives of the Course

The course aim to construct a base for future working on this topic by giving the basic definition and theorems of Banach algebras.

Course Content

The definition and examples of Banach algebras, the spectrum of an element, the concept of an ideal, maximal ideal and homomorphism, quotient Banach algebras, Jacobson radical, commutative Banach algebras and Gelfand Theory.

Name of Lecturer(s)
Lec. Berna ARSLAN
Learning Outcomes
1.Ability to understand the concept of Banach algebra, its basic properties and ability to recognize some examples of Banach algebras.
2.Ability to understand ideals, maximal ideals on Banach algebras and their basic properties.
3.Ability to understand the basic properties of Gelfand Theory on commutative Banach algebras.
4.Ability to understand the concept of homomorphisms on Banach algebras.
5.To be able to use tensor products of Banach algebras.
Recommended or Required Reading
1.Complete Normed Algebras, F.F. Bonsall, J. Duncan, Springer-Verlag, New York, 1973.
2.Introduction to Banach algebras, operators, and harmonic analysis, H.G. Dales, P. Aiena, J. Eschmeier, K. Laursen, G.A. Willis, Cambridge Univ. Press, New York, 2003.
3.Banach Algebras and Automatic Continuity, H. Garth Dales, London Mathematical Society Monographs New Series, H. Garth Dales, 2000.
Weekly Detailed Course Contents
Week 1 - Theoretical
The definition and examples of Banach algebras
Week 2 - Theoretical
Regular and singular elements
Week 3 - Theoretical
Topological divisors of zero
Week 4 - Theoretical
The spectrum of an element, Gelfand-Mazur Theorem
Week 5 - Theoretical
The Spectral radius
Week 6 - Theoretical
Ideals on Banach algebras
Week 7 - Theoretical
Maximal ideals on Banach algebras
Week 8 - Theoretical
Quotient Banach algebras
Week 9 - Theoretical
Homomorphisms on Banach algebras
Week 10 - Theoretical
Jacobson radical of a Banach algebra
Week 11 - Theoretical
Semi-simple Banach algebras
Week 12 - Theoretical
Commutative Banach algebras and Gelfand Theory
Week 13 - Theoretical
Multiplicative linear functionals, Gelfand transform
Week 14 - Theoretical
Gelfand topology
Assessment Methods and Criteria
Type of AssessmentCountPercent
Final Examination1%70
Assignment2%30
Workload Calculation
ActivitiesCountPreparationTimeTotal Work Load (hours)
Lecture - Theory143384
Assignment216236
Individual Work140228
Final Examination150252
TOTAL WORKLOAD (hours)200
Contribution of Learning Outcomes to Programme Outcomes
PÇ-1
PÇ-2
PÇ-3
PÇ-4
PÇ-5
PÇ-6
PÇ-7
PÇ-8
PÇ-9
PÇ-10
PÇ-11
PÇ-12
PÇ-13
PÇ-14
PÇ-15
OÇ-1
4
4
5
3
2
4
3
4
OÇ-2
4
4
4
4
4
4
3
3
4
4
OÇ-3
5
5
5
5
5
5
3
3
4
4
OÇ-4
3
4
3
5
4
4
3
3
4
4
OÇ-5
4
4
5
4
4
3
3
3
4
4
Adnan Menderes University - Information Package / Course Catalogue
2026