Reference:AMS Special Sessions on Algorithmic Probability and Combinatorics, DePaul University; University of British Columbia, 05 Oct 2007 - 06 Oct 2007. Editors: Lladser M, Maier R, Mishna M, Rechnitzer A. Algorithmic Probability and Combinatronics. American Mathematical Society, Providence: RI. 520: 221-240. 2010