I have started to lecture ¡­

I have started to lecture Chapter 4 in Leary's book. Exercises that might be solved in the weeks to come:4.3.1 (page 127): ex. 1, ex. 2, ex. 3. 4.3.1 (page 136-137): ex. 1, ex. 2, ex. 3, ex. 4, ex 5, ex 8, ex 9.