The course is over! Final grades will soon be submitted to MySlice. Thanks to everyone for a great semester, and enjoy your break.

Basic Info

Instructor

Prof. Graham Leuschke
email: gjleusch@math.syr.edu
AIM: leuschkeg
Google: leuschke@gmail

Time & Place

TR 12:30–1:50 in Carn 311

Textbook (optional)

Dummit & Foote, Abstract Algebra

Office Hours

MW 1:30–4:30; by appointment; and any time my door is open (317G Carnegie)

Important documents

syllabus

Problem Sets

• HW #1, due Tuesday 4 September
• HW #2, due Tuesday 11 September
• HW #3, due Tuesday 18 September
• HW #4, due Tuesday 25 September
• HW #5, due Tuesday 2 October (Problem 5 is wrong as stated; fixed in class.)
• HW #6, due Tuesday 9 October
• HW #7, due Tuesday 16 October
• HW #8, due Tuesday 23 October
• HW #9, due Tuesday 6 November
• HW #10, due Tuesday 13 November
• HW #11, due Tuesday 27 November
• HW #12, due Tuesday 4 December

Links

• An entertainingly written paper about the representations of the Klein 4-group (i.e., which vector spaces admit an action of V₄)
• Other examples of geometric things of which we can consider the group of symmetries: friezes, wallpaper (aka 2-dimensional crystal structures, see also), 3-dimensional crystal structures, and so on….
• Where did the quaternions come from?