10. Computation History Method

MIT 18.404J Theory of Computation, Fall 2020
Instructor: Michael Sipser
View the complete course: https://ocw.mit.edu/18-404JF20
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Uploaded 06-10-21

Quickly reviewed last lecture. Defined configurations and computation histories. Gave the computation history method to prove undecidability. Showed that acceptance problem for LBA is decidable; emptiness problem for LBA, PCP, and ALL for CFG are undecidable.

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