Problems for Homework 2 (taken from Chapters 2 and 3 of the lecture notes): 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.10, 2.11, 2.16, 2.19, 3.1, 3.2, 3.5, 3.6, 3.7 Rules: 1) Please work independently without consulting anyone else. 2) Please answer questions rigorously. Avoid imprecise, qualitative statements. 3) Correct answers that do not show clear reasoning are not acceptable. 4) Please make your solutions as concise as you can. This homework is due on Thursday, October 16, 2008.