Lecture #12 discussed multi-agent interactions.
Notes are available in two formats (note that the numbering on the slides diverges from my numbering of the lectures).
This lecture covered Chapter 6 of the textbook. You should read through Chapter 6 in detail.
The reading to go with the class is:
D. Hofstadter, "The Prisoner's Dilemma Computer Tournaments and the Evolution of Cooperation", in Metamagical Themas: Questing for the Essence of Mind and Pattern, (D. Hofstadter, Penguin, 1986), 715-734.and copies will be handed out in class.
The classic work on the Prisoner's Dilemma is:
R. Axelrod, The Evolution of Cooperation, Basic Books.Anyone interested in the PD is well advised to beg, borrow, or steal a copy (and then read it, of course).