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Last updated December 4, 2019, 12:00

15) Section 5.3.2 from the course notes have been updated. Several typos were fixed and Example 248, was added.

14) Note that HW 5 is due on December 6 (not December 8). I will wait for you in class on December 6 at 12:30pm to collect it.

13) The rest of the course notes have been updated. Note the changes around Sections 6.1 and 6.2. Hopefully the notes read much better now.

12) The proof of Theorem 183 (numbering according to the new version) is fixed.

11) Pages 58-77 of the course notes have been updated.

10) I realized that the last question on the Midterm is on material after the October 18 deadline, so it will not be counted.

9) The first 6 problems from HW 5 will be important for the midterm.

8) Pages 48-57 of the course notes have been updated. 

7) The submission date for HW 3&4 has been postponed until Monday, Oct 21.

6. 6)I posted a new hint for problem (xvi) on HW 3 in the form of part a).
   

Problem (xiv) on HW 3 has been cancelled. It will appear later in the course, where it is more appropriate.

5) Pages 36--47 of the course notes have been updated.

4) A new version of HW Set 3 is uploaded. No new problems are added! The old ones are reorganized so that they are now grouped by similarity. The hint for problem 18 is expanded.

3) Pages 28--35 of the course notes have been updated.

2. 2)The first 27 pages of the course notes have been updated.
   

1. 1)Note the new room and building for the midterm!