Math 31  Fall 2011
Dartmouth College
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Date  Day  Topic  Homework  Important Events 

21Sept  Wednesday  Survey, syllabus, intro to reading math  Read Sections 0 and 1. Post a comment on Blackboard by 10 PM Thursday  
23Sept  Friday  Section 1, Sets and Binary Relations  Homework 1 Due Friday, Sept 30  
26Sept  Monday  Symmetric Groups  Quiz 1  
27Sept  Tuesday  What is a good proof?  
28Sept  Wednesday  Section 2, Groups  
30Sept  Friday  Section 3, Fundamental Theorems  Read Section 4, up to Theorem 4.4. Post a comment on Blackboard by 10 PM Sunday
Homework 2 Due Friday, Oct 7 
Homework 1 Due 
3Oct  Monday  Section 4, Euclidean Algorithm  Read the rest of Section 4. Post a comment on Blackboard by 10 PM Tuesday  Quiz 2 
4Oct  Tuesday  Number Theory!  
5Oct  Wednesday  Section 4, Cyclic Groups  Read Section 5. Post a comment on Blackboard by 10 PM Thursday  
7Oct  Friday  Section 5: Subgroups  Homework 3 Due Friday, Oct 14  Homework 2 Due 
10Oct  Monday  Section 5, take 2  Read Section 6. Post a comment on Blackboard by 10 PM Tuesday  Quiz 3 
11Oct  Tuesday  Logic and Proofwriting  
12Oct  Wednesday  Section 6, Direct Products; Additive vs Multiplicative Notation  
14Oct  Friday  Section 7, Functions  Review Sections 07. Post any lingering questions or confusion on Blackboard by 10 PM Sunday
Homework 4 Due Monday, Oct 24 
Homework 3 Due 
17Oct  Monday  Review Sections 07  Read Section 8. Post a comment on Blackboard by 10 PM Monday  Quiz 4 
18Oct  Tuesday  Section 8, The Symmetric Group  Read Section 12. Post a comment on Blackboard by 10 PM Tuesday  
19Oct  Wednesday  Section 12, Homomorphisms  
21Oct  Friday  Section 12, Continued  Study for Midterm!
Homework 5 Due Friday, October 28 

24Oct  Monday  Cosets  Read Section 9. Post a comment on Post a comment on Blackboard by 10 PM Monday  Quiz 5
Homework 4 due 
25Oct  Tuesday  Section 9, Cosets and Equivalence Relations  Homework 4 solutions  
26Oct  Wednesday  Create rubric for presentations  
28Oct  Friday  Midterm Exam  Takehome Midterm handed out; Homework 5 Due  
Halloween  Monday  Cool Theorems/Tying Up Loose Ends  
1Nov  Tuesday  Office Hours  Read Section 11. Post a comment on Blackboard by 10 PM Tuesday  
2Nov  Wednesday  Section 11, Normal Subgroups  Midterm due today  
4Nov  Friday  Finish Section 11; Start Section 13, Homomorphisms and Normal Subgroups  Read Section 13. Post a comment on Blackboard by 10 PM Sunday
Homework 6 Due Friday, November 11 

7Nov  Monday  Section 13  Quiz 6  
8Nov  Tuesday  Presentations  
9Nov  Wednesday  More Section 13  Read Section 14, pages 133137 (*NOT* the proof of Corollary 14.6!). Post a comment on Blackboard by 10 AM Friday  
11Nov  Friday  Section 14, Fundamental Theorem of Finite Abelian Groups 
Read Section 16. Post a comment on Blackboard by 10 PM Sunday
Homework 7 Due Friday, Nov 18 
Homework 6 Due 
14Nov  Monday  Section 16, Rings  Read Section 17. Post a comment on Blackboard by 10 PM Tuesday  Quiz 7 
15Nov  Tuesday  Presentations  
16Nov  Wednesday  Section 17, Subrings  
18Nov  Friday  Section 18, Ring Homomorphisms  Homework 7 Due  
21Nov  Monday  Section 18 
Homework 8 Due Wednesday, Nov 30
Review Section 17. Post a comment on Blackboard by 10 PM Sunday, November 27 
Quiz 8 
22Nov  Tuesday  Presentations  
23Nov  Wednesday  No Class  Thanksgiving Vacation  
25Nov  Friday  No Class  Thanksgiving Vacation  
28Nov  Monday  Finish Section 17; Review Rings  
29Nov  Tuesday  Presentations  
30Nov  Wednesday  Finish Sections 17 and 18  Last Day of Class; Homework 8 Due  
3Dec  Saturday  8:00 AM  Final Exam
in Kemeny 007 