Math 4720 & 5210 (Section 101) Homepage
News & Announcements
12/15 Finished grading!
All grades are posted on AsULearn.
Have a Merry Christmas!
12/13 Final Exam (.pdf)
Our official exam time has been moved (due to more upcoming bad weather).
So instead of an endless delay, your exam has been emailed to you (and it
is posted above).
Please complete the exam and return it to me by 3:00pm tomorrow.
DO NOT DISCUSS THIS EXAM WITH YOUR CLASSMATES (until after 3pm tomorrow).
You may either scan in your work and email it to me or turn it in to me
in person. I will be in Walker 106 between 12pm and 2:30pm tomorrow afternoon
(giving my Calc II class their final -- hopefully) or you can check my office.
If you can't find me, please place your exam in a manilla envelope (big
envelopes are sitting around near Sandy's office, you can borrow one) and
slide it under my office door.
Your exam is due: Tuesday, December 14th at 3:00pm NO LATER!!!
Not turning in your exam by 3pm will mean VERY VERY BAD THINGS for your grade.
For those who still owe me homework, please turn that in with your final.
One last thing...Please email me to verify you got this message. If you see
any of your classmates, please let them know about this message in case they
don't check their email very often.
Math 4720 Students:
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Problems #9 and #10 are grad problems. Feel free to attempt them.
They won't count against you. I don't know how much I'll weight them
but they'll count as some sort of extra credit.
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12/06 Monday afternoon office hours canceled.
Well, it wouldn't be Appalachian without some really
cold weather and canceled classes.
I will do my best to get to my office this morning
for regular office hours and here are my plans for
this week:
Office hours...
Monday 10am - 12pm & 2pm - 4pm
Tuesday 10am - 12pm
Wednesday 10am - 12pm
Thursday 10am - 12pm
Friday 10am - 12pm
I will probably be in my office before 10am every day.
Feel free to call to see if I'm already there. Also,
if the weather looks really bad, calling ahead to see
if I made it in would be a good idea.
My meeting on Tuesday was canceled so I'll be in our
regular room at 2pm. Let's plan on reviewing from
2pm until midnight...no wait...you should review that
long. I'll probably stop closer to 4pm (or earlier).
Also, if you bring your homework in today, I'll try to
have it graded by the review session tomorrow.
11/23 Homework #5 is due by the last day of classes (Monday, December 6th).
4720 students may skip one problem. 5210 students must do all of them.
Please turn in problems: 10.1 #8 and #9, 10.2 #4, 10.3 #7 and #9, 12.1 #16.
11/08 Random links to random handouts...
Ring Definitions
Ring Examples
Group Examples
Math 351 (Rutgers modern algebra homepage -- mostly ring theory.)
Math 451 (Rutgers honors abstract algebra homepage -- all groups theory.)
11/02 Test #2 has been moved back one week.
Test #2 will be held Tuesday, November 16th.
Homework #4 problem 7.4 #37: You only have to prove one direction
of the if and only if statement. The other direction is extra credit.
Hint: The "easier" direction is: "If the set of non-units is an
ideal M, then it is a unique maximal ideal and R is local."
I taught a undergraduate modern algebra course at Rutgers with a focus
on ring theory. These old exams should be great reviews for our upcoming
test.
Old Rutgers Ring Theory Exams (with Answer Keys):
Exam #1 and answer key.
Exam #2 and answer key.
Some more Rutgers review materials:
Dr. Lyons' Review 2 (Richard Lyons discovered the Lyons sporadic simple group)
Dr. Cherlin's Review 1
Dr. Cherlin's Review 2
10/28 Homework #4 is due Thursday, November 4th.
Please turn in problems: 7.4 #8 and #37, 7.6 #3, 8.1 #3, 9.1 #5, 9.2 #8.
Math 5210 students also turn in: 8.2: #8.
10/07 Homework #3 is due Thursday, October 14th.
Please turn in problems: 7.1 #15 and #17, 7.2 #9, 7.3 #24.
Math 5210 students also turn in: 7.2 #4.
10/04 I keep on forgetting to post the link...
Finite Simple Group of Order 2
09/28 Take Home Test #1 -- Due: Tuesday, October 5, 2010.
You may use notes, textbooks, and pre-existing web resources.
Do not work on these problems with each other or ask
anyone for help (other than me).
Exam #1 (.pdf) and its Answer Key (.pdf)
Exam #2 (.pdf) and its Answer Key (.pdf)
09/16 Alternating Groups are Simple handout
09/13 Homework #2 is due Tuesday, September 21st.
08/30 Homework #1 is due Tuesday, September 7th.
Please note: If homework webpages don't print well, you
can download a package of fonts to help things look better.
The fonts (and installation instructions) can be found here.
For PCs: PC jsMath fonts and
For Macs: Mac jsMath fonts
Temporary change in office hours...
Wednesday, September 1st 2pm-4pm: CANCELED
changed to
Monday and Tuesday, August 30 & 31st 2pm-4pm.
Tuesday, September 7th 10am-11am: CANCELED
changed to
Tuesday, September 7th 2pm-4pm.
08/23 I've now posted...
Syllabus for 4720 or 5210
Tentative course schedule
05/18 Course Data
MAT 4720 & 5210 Section 101
Title ABSTRACT ALGEBRA
Meeting Times TR 11:00am-12:15pm
Room WA 303A
Syllabus, suggested homework and schedule pages
will be posted...
Any questions about this class?
Send me an email at cookwj@appstate.edu