JHR's MA275 page

MA275
Discrete and Combinatorial Algebra

MTRF 5 G313
John Rickert, Associate Professor of Mathematics
Office: G-215A, Crapo Hall
Phone: (812) 877-8473

e-mail: rickert@rose-hulman.edu

Office hours this week: MTRF 7, or make an appointment, or drop in. Here's my schedule

The final exam starts Wednesday, November 15, at 8:00AM in G313
I have sample solution for exam #1, exam #2, and exam #3 available. Let me know if you find any typos.


To Homework ...Questions
Homework for our next class ...Today's questions

In the "Questions" section, I'll color the active questions green so that they are easier (in theory) to find as you scan through the page. Please let me know if I've missed anything.
The quizzes, examinations and homework done during the year will be worth 64% of the course grade. The final examination will be worth 36% of the grade.

Homework

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For Friday, 9/1: Read the section 1.1 and 1.2, do exercises #1,6,7,11,14,15,17,26,31,39. Turn in these exercises on Monday, September 4.
For Monday, 9/4: Section 1.3 #1,6,9,14,16,17,23,27,32. Turn in these exercises on Tuesday, September 5.
For Tuesday, 9/5: Turn in the Section 1.3 exercises.
How many terms are there in the expansion of (x+y+z)n? Can you prove this? Recall that our conjecture is that the answer is (n+2) choose 2.
How many terms are there in the expansion of (w+x+y+z)n? Can you prove this? Recall that our conjecture is that the answer is the sum of the previous answer.
How many terms are there in the expansion of (a+b+c+d+e)n? Can you prove this?
How far can you take the conjectures? How far can you take the proofs?
For Thursday, 9/7: Section 1.4 #1,7,10,16,22,25,27.
For Friday, 9/8: Review through Section 1.4. Since we did not finish the discussion, home work will not be turned in Friday. Turn in these exercises on Monday
We will have a Quiz Friday covering through Section 1.4. The average score on the quiz was 22.7 out of 30.

For Monday, 9/11: Turn in the Section 1.4 homework. Section 1.2 #23,27; Section 1.5 #1,4,7,9,11. Turn in these exercises on Thursday
For Tuesday, 9/12: Section 2.1 #3,5,6,8,17; Section 2.2 #1,9.
For Thursday, 9/14: Turn in the Section 1.5/1.2 exercises. Section 2.2 #1,6,9,14,15.Turn in these exercises on Monday.
For Friday, 9/15: Read Section 2.3. Learn the rules and laws listed on pages 58 and 78.

For Monday, 9/18: Turn in the Section 2.2 exercises.
Section 2.3 #5,7,11,12. Turn in these exercises Tuesday.
For Tuesday 9/19: Turn in the Section 2.3 exercises.
Section 2.4 #1,9,14,12.
A copy of sample solutions for the worksheet is now available.
For Thursday, 9/21: Read Section 2.5; Section 2.4 #8,16,22; Section 2.5 #5,9. Turn in these exercises on Friday.
For Friday, 9/22: Turn in the Sec.2.4/2.5 exercises from yesterday. Work on Section 2.5 #14,15,17,19,21.

For Monday, 9/25: Section 3.1 #1,5,8,10,19,23,27. Turn in these exercises Tusday 9/26.
For Tuesday, 9/26: Turn in the Section 3.1 exercises. Section 3.2 #1,6. Learn the Laws of Set Theory on page 139.
For Thursday, 9/28: Section 3.2 #1,6.
Friday, 9/29: Exam #1

For Monday, 10/2: Section 3.2 #4,14,16,19.
For Tuesday, 10/3: Section 3.3 #1,4,5,6,9
For Thursday, 10/5: Section 3.4 #1,5,6,9,11,14.
For Friday, 10/6: Section 3.5 #1,4,7,9,14. Turn in these exercises on Tuesday.

For Monday, 10/9: Section 4.1 #1,2.
For Tuesday, 10/10: Section 4.1 #1,2,6,8,12,16. Turn in these exercies on Monday, 10/16.
Turn in the section 3.5 homework.

For Monday, 10/16: Section 4.2 #1,7,11,12,14,18.
Turn in the section 4.1 exercises.
For Tuesday, 10/17: Section 4.3 #4,9,10,13.
For Thursday, 10/19: Section 4.3 #17,29.
Review the course material so far, bring questions to class.
Friday, 10/20: Exam #2
Tuesday, 10/24: Section 4.4 #1,4,6,12,14,17.
Thursday, 10/26: Section 4.5 #5,8,11,15,18,27.
Friday, 10/27: Section 5.1 #1,3,6,8,13. Turn in these exercises on Monday.

Monday, 10/30: Section 5.2 #1,5,8,14,22,27. Turn in the Section 5.1 exercises.
Tuesday, 10/31: Section 5.2 #1,5,8,14,22,27.
Thursday, 11/2: Section 5.3 #1,3,10,15,18.
Friday, 11/3: Exam #3
Tuesday, 11/7: Section 5.5 #2,9,11,14,16,20. Turn in these exercises on Thursday.
Thursday, 11/8: Section 5.6 #1,3,9,12,22.
Turn in the Section 5.5 exercises.


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