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Sam Jones
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Is there an undecidable finite language of finite words?
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Given a PDA M such that L(M) is in DCFL construct a DPDA N such that L(N) = L(M)
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Is the universe problem for onecounter automata with restricted alphabet size undecidable?
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Given a PDA M such that L(M) is in DCFL construct a DPDA N such that L(N) = L(M)
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Which Turing machines accept the language of trivial words in a finitely presented group?
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Given a PDA M such that L(M) is in DCFL construct a DPDA N such that L(N) = L(M)
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