Lecture notes If you find errors in the notes, either typographical or mathematical, please let me know so that I can correct them. Lecture 1, October 15, 2014 Lecture 2, October 22, 2014 Lecture 3, October 29, 2014 Lecture 4, November 5, 2014 Lecture 5, November 12, 2014 Lecture 6, November 19, 2014 Lecture 7, November 26, 2014 Lecture 8, December 5, 2014