The Geodesics in Godel's Universe.

1 Wald, A., Statistical Decision Functions (New York: John Wiley & Sons, 1950). 2 Wald, A., Sequential Analysis (New York: John Wiley & Sons, 1947). Bussgang, J. J., and D. Middleton, "Optimum sequential detection of signals in noise," IRE Trans. on Inform. Theory, IT-1, 5 (December) 1955. 4Middleton, D., An Introduction to Statistical Communication Theory (New York: McGrawHill, 1960), Chapter 20, esp. refs. 32-40. 6 Ibid., Chapter 21. 6 Bellman, R., Dynamic Programming (Princeton University Press, 1957). Bellman, R., Adaptive Control: A Guided Tour (Princeton University Press, 1961). 8 Bellman, R., and R. Kalaba, "On communication processes involving learning and random duration," 1958 IRE National Convention Record, part 4, pp. 16-21.