1. Homomorphisms of 3-chromatic graphs
2. and Preliminary version of a book on finite Markov chains, 1996 (http://www.stat.berkeley.edu/users/aldous).
3. Eigenvalues and expanders
4. A note on the star chromatic number
5. Markov Chains, Gibbs fields, Monte Carlo simulation and queues, vol. 31 of Springer-Verlag, New York, 1999.