Shen Lin and Tibor Rado. Computer studies of Turing machine problems. Journal of the Association for Computing Machinery, vol. 12 (1965), pp. 196–212. - Allen H. Brady. The conjectured highest scoring machines for Rado's Σ(k) for the value k = 4. IEEE transactions on electronic computers, vol. EC-15 (1966), pp. 802–803. - Milton W. Green. A lower bound on Rado's sigma function for binary Turing machines. Switching circuit theory and logical design, Proceedings of the Fifth Annual Symposium, Princeton University, Princeton, N.J., November 11-13, 1964, The Institute of Electrical and Electronics Engineers, Inc., New York 1964, pp. 91–94.

H. B. Enderton

doi:10.2307/2271827

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Shen Lin and Tibor Rado. Computer studies of Turing machine problems. Journal of the Association for Computing Machinery, vol. 12 (1965), pp. 196–212. - Allen H. Brady. The conjectured highest scoring machines for Rado's Σ(k) for the value k = 4. IEEE transactions on electronic computers, vol. EC-15 (1966), pp. 802–803. - Milton W. Green. A lower bound on Rado's sigma function for binary Turing machines. Switching circuit theory and logical design, Proceedings of the Fifth Annual Symposium, Princeton University, Princeton, N.J., November 11-13, 1964, The Institute of Electrical and Electronics Engineers, Inc., New York 1964, pp. 91–94.

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Shen Lin and Tibor Rado. Computer studies of Turing machine problems. Journal of the Association for Computing Machinery, vol. 12 (1965), pp. 196–212. - Allen H. Brady. The conjectured highest scoring machines for Rado's Σ(k) for the value k = 4. IEEE transactions on electronic computers, vol. EC-15 (1966), pp. 802–803. - Milton W. Green. A lower bound on Rado's sigma function for binary Turing machines. Switching circuit theory and logical design, Proceedings of the Fifth Annual Symposium, Princeton University, Princeton, N.J., November 11-13, 1964, The Institute of Electrical and Electronics Engineers, Inc., New York 1964, pp. 91–94.

To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.

Shen Lin and Tibor Rado. Computer studies of Turing machine problems. Journal of the Association for Computing Machinery, vol. 12 (1965), pp. 196–212. - Allen H. Brady. The conjectured highest scoring machines for Rado's Σ(k) for the value k = 4. IEEE transactions on electronic computers, vol. EC-15 (1966), pp. 802–803. - Milton W. Green. A lower bound on Rado's sigma function for binary Turing machines. Switching circuit theory and logical design, Proceedings of the Fifth Annual Symposium, Princeton University, Princeton, N.J., November 11-13, 1964, The Institute of Electrical and Electronics Engineers, Inc., New York 1964, pp. 91–94.

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