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Please answer ALL questions. This question investigates a variant of our standard TM model from class. Our standard model included a tape which was infinite
Please answer ALL questions.
This question investigates a variant of our standard TM model from class. Our standard model included a tape which was infinite in one direction only. Consider now a TM whose tape is infinite in both directions (i.e. you can move left or right infinitely many spaces on the tape). We call this a TM with doubly infinite tape. (a) Show that a TM with doubly infinite tape can simulate a standard TM. (b) Show that a standard TM can simulate a TM with doubly infinite tape. (c) What does this imply about the sets of languages recognized by both modelsStep by Step Solution
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