NIST

Post machine

Definition: (no definition here, yet, but you can help.)

Note: Similar to a Turing machine, but uses a queue instead of an infinite tape.

Implementation

Alex Vinokur's Post machine simulator (C++).

More information

Biography of Emil Leon Post.

Post, E. L., Finite Combinatory Processes - Formulation 1, Journal of Symbolic Logic, 1, 103-105, 1936. DOI: 10.2307/2269031
Note: this original work gives a model similar to Turing's, with infinite boxes in either direction.


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If you have suggestions, corrections, or comments, please get in touch with Paul Black.

Entry modified 15 August 2023.
HTML page formatted Tue Aug 15 11:11:35 2023.

Cite this as:
"Post machine", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 15 August 2023. (accessed TODAY) Available from: https://www.nist.gov/dads/HTML/postMachine.html