Prove that it is undecidable whether a given LBA accepts a regular set
سؤال
I know for an LBA the emptiness problem is undecidable. However I am not clear on how to reduce the halting problem of Turing machines to this as LBAs are strictly computationally less powerful than Turing machines. Or should I approach with reductions using computational histories of a Turing machine on an input.
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