On two-tape real-time computation and queues (Q801685)
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scientific article; zbMATH DE number 3880120
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On two-tape real-time computation and queues |
scientific article; zbMATH DE number 3880120 |
Statements
On two-tape real-time computation and queues (English)
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1984
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A Turing machine with two storage tapes cannot simulate a queue in both real-time and with at least one storage tape head always within o(n) squares from the start square. This fact may be useful for showing that a two-head tape unit is more powerful in real-time than two one-head tape units, as is commonly conjectured.
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Turing machine
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queue
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two-head tape unit
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one-head tape units
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