Two-Way Automata Characterizations of L/poly Versus NL

An Introduction to the Theory of Numbers. By G. H. Hardy and E. M. Wright. 2nd edition. Pp. xvi, 407 25s. 1945. (Oxford)

T. A. A. B. · The Mathematical Gazette · 1946 · 7.4K citations

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Walter J. Savitch · Journal of Computer and System Sciences · 1970 · 1.4K citations

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Nondeterminism and the size of two way finite automata

William J. Sakoda, Michael Sipser · 1978 · 172 citations · Full text

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Viliam Geffert, Carlo Mereghetti, Giovanni Pighizzini · Information and Computation · 2007 · 57 citations

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