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Yorck Sommerhäuser
Courses
Algebra II
 Spring semester 2015
 Course: MTH 620
 Instructor: Y. Sommerhäuser
 Schedule:
 Time: Mon, Wed, Fri 2:00 pm2:50 pm
 Room: Math 150
 Office hours of Y. Sommerhäuser:
Mon, Wed, Fri 3:00 pm4:00 pm and by appointment
 Textbook: E. Artin: Galois theory, Dover, New York, 1997
 Outline: In the first half of the semester, we will discuss free groups, ring theory, and module theory, in particular modules over principal ideal domains and their application to the Jordan canonical form. This material will be taught with the help of handouts consisting of copies from various textbooks. In the second half of the semester, we will discuss the main topic of the course, namely Galois theory. Here, we will cover Chapter 2 and Chapter 3 from the textbook. Time permitting, we will discuss the basic concepts of category theory.
 Exams: There will be two midterm exams and a comprehensive final exam. The midterm exams take place on Friday, March 13 as well as Friday, April 17. The final exam takes place Monday, May 11, 3:30 pm6:30 pm, in Math 235.
 Homework: Beginning Monday of the second week, a weekly exercise sheet will be handed out, containing three to four problems. This has to be completed until the next Monday. While it is allowed to collaborate on the problems, every student is required to write up his solution in his own words. There will be no exercise sheets during exam weeks.
 Examination criteria: The final grade will be computed using the following weights.
 Homework: 30 percent
 Test 1: 20 percent
 Test 2: 20 percent
 Final exam: 30 percent
 Grading:
 A: 90 percent (or better)
 A: 88 percent (or better)
 B+: 86 percent (or better)
 B: 80 percent (or better)
 B: 78 percent (or better)
 C+: 76 percent (or better)
 C: 70 percent (or better)
 C: 68 percent (or better)
 D+: 66 percent (or better)
 D: 60 percent (or better)
 Syllabus.
 Exercise sheets:
