Homework problem sets

  1.  Due in class on Tuesday, February 6, 2016: do Exercise 16.1.16, and use it to write up a careful proof of Lemma 16.2.18.
  2. The second homework set will not be collected.
  3. Due in class on February 23, please do all six parts of Exercise 19.3.22 from your book (page 343).  This will be graded as the first exam.
  4. Algebra HW 3
  5. Do problems 26.4.13, 26.4.14, 26.4.15 in your text.  Read the proof of Theorem 26.4.18 (The Going Down Theorem), and give 2 examples illustrating the result.  Read the remainder of the chapter.  This assignment is due in class on Tuesday April 10.