6. TM Variants, Church-Turing Thesis

MIT 18.404J Theory of Computation, Fall 2020
Instructor: Michael Sipser
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Quickly reviewed last lecture. Showed that various TM variants are all equivalent to the single-tape model. Discussed the Church-Turing Thesis: Turing machines are equivalent to “algorithms” and model-independence. Introduced notation for encoding objects and describing TMs.

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