Groups and subgroups. Normal subgroups. Quotients. Isomorphism theorems. Actions and permutation groups. Sylow’s theorems. Field extensions. Algebraic and transcendental extensions. Degree of an extension. Splitting fileds, normal field extensions, Galois extensions. Galois group. Galois connection. Finite fields.
Knowledge acquired:
Basics of group theory, concept of group action, elements of Galois’ theory, application of acquired knowledge for solving problems.
Skills acquired (at the end of the course):
The student will be able to solve basic problems in the theory of groups, fields and equations
Prerequisites
Courses required: Algebra I
Courses recommended: Geometry I
Teaching Methods
CFU: 6
Total hours of the course (including the time spent in attending lectures, seminars, private study, examinations, etc...): 150
Hours reserved to private study and other indivual formative activities: 84
Frequency of lectures, practice and lab: Recommended
Teaching Tools UniFi E-Learning: http://e-l.unifi.it
Type of Assessment
Written and oral.
Course program
Group and subgroup. Normal subgroup. Quotient. Isomorphism theorem. Action and permutation group. Sylow’s theorem. Field extension. Algebraic and transcendent extension. Extension degree. Normal extensions, Galois extension. Galois group. Galois connection. Finite field. Compass and straightedge constructions.