From: wgd@zurich.ai.mit.edu (Bill Dubuque) Newsgroups: sci.math Subject: Re: A possible approach to the foundations of mathematics - tm.txt [1/1] Date: 12 Nov 95 18:57:43 Regarding the classification of behavior of small Turing machines, you may find the following of interest: Michel, Pascal, Busy beaver competition and Collatz-like problems, Arch. Math. Logic (1993) 32:351-367. Machlin, R (nee Kopp), and Stout, Q, The Complex Behavior of Simple Machines, Physica D 42 (1990) 85-98 Brady, A. H., The busy beave game and the meaning of life, in Herkin, R. (Ed) The Universal Turing Machine, pp. 259-277, Oxford Univ Press 1988