Abstract algebra I (Math 128A), Fall 2020

Zoom, MW 9:00-10:15am (Sec 01, code 48166)

Last update of this page: Fri Dec 11, 12:20pm


Ongoing useful links:

Announcements:

FUA (Frequently Used Acronyms):

In the box below are some acronyms that I use all the time, both in class and when grading your work. You are welcome to use them as well.

(list of Frequently Used Abbreviations)

Administrative handouts:

Course greensheet, Tech expectations for Math 128A.

Course notes:

Course mechanics: Homework in Math 128A, checkins, Writing proofs.

Patterns for: D4 calculators (squares), D5 calculators (pentagons), D6 calculators (hexagons), Platonic solids.

Also, check out Gallian's website, with links to useful things like online flash cards for definitions (hard copy version).

Topics for exams:

Exam 1, Exam 2, Exam 3, Final exam.

Sample exams:

Exam 1, Exam 2, Exam 3, Final exam.

Online lectures:

Click on the link in the "Sections covered" column for a copy of the slides for the day; click on the link in "Extra slides" for other stuff displayed that day; and click on the link in the "Video" column to watch the lecture on YouTube or Zoom cloud recording. Or just check out our class playlist here.


Date Sections covered Extra slides Video
Wed Aug 19 Ch. 0/review Video
Mon Aug 24 Ch. 1 Video
Wed Aug 26 Ch. 2 D6 Cayley table Video
Mon Aug 31 Ch. 2-3 Video
Wed Sep 02 Ch. 3 Part 1, Part 2.
Wed Sep 09 Ch. 3-4 Video
Mon Sep 14 Ch. 4 Video
Wed Sep 16 Ch. 4-5 Video
Sample exam 1 Video
Wed Sep 23 Ch. 5 Video
Mon Sep 28 Ch. 5-6 Video
Wed Sep 30 Ch. 6 Video
Mon Oct 05 Ch. 6-7 Video
Wed Oct 07 Ch. 7 Video
Mon Oct 12 Ch. 7-8 Video
Wed Oct 14 Ch. 8 Video
Sample exam 2 Video
Wed Oct 21 Ch. 9 Video
Mon Oct 26 Ch. 9 Video
Wed Oct 28 Ch. 9-10 Video
Mon Nov 02 Ch. 10 Video
Wed Nov 04 Ch. 10-11 Video
Mon Nov 09 Ch. 11 Video
Mon Nov 16 Ch. 12 Video
Wed Nov 18 Ch. 12 Video
Sample exam 3 Video
Mon Nov 30 Ch. 14 Video
Wed Dec 02 Ch. 14 Video
Mon Dec 07 Semester review Video
Sample final exam Video

Problem sets:

Click on the number or "See handout" of any highlighted problem set to download it. (Files are in PDF format, which can be read by the free Adobe Acrobat program.)

HW New definitions Outline due Due date Last revision due Problems
PS00 n/a n/a Mon Aug 24 n/a See handout
PS01 Ch. 1 Mon Aug 24 Wed Aug 26 Wed Oct 21 See handout
PS02 Chs. 2, 3 Wed Sep 02 Wed Sep 09 Wed Nov 25 See handout
PS03 Ch. 4 Wed Sep 09 Mon Sep 14 Wed Nov 25 See handout (CORRECTED SEP 09)
PS04 Ch. 5 Wed Sep 23 Mon Sep 28 Wed Nov 25 See handout
PS05 Ch. 6 Wed Sep 30 Mon Oct 05 Mon Dec 07 See handout
PS06 Ch. 7 Fri Oct 09 Wed Oct 14 Mon Dec 07 See handout
PS07 Ch. 8 Mon Oct 26 Wed Oct 28 Mon Dec 07 See handout
PS08 Ch. 9 Mon Nov 02 Wed Nov 04 Mon Dec 14 See handout (Problem 8 no longer assigned)
PS09 Ch. 10 Mon Nov 09 Mon Nov 16 Mon Dec 14 See handout
PS10 Chs. 11, 12 Fri Nov 20 Mon Nov 30 TBA See handout
PS11 Ch. 14 Wed Dec 02 Mon Dec 07 TBA See handout

Reading assigned in course:

Contemporary Abstract Algebra, Gallian: Chapters 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14.

Proof handout: Parts I-II, Sec. 16, 17, 18.

Other useful links: