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Questions about Turing machines, a theoretical model of mechanical computation capable of simulating any computer program.

2 votes
2 answers
394 views

One tape nondeterministic Turing machine accepting non-palindromes

I have to design a nondeterministic one tape Turing machine that accepts only non-palindromes in $O(n \log n)$ time. My best shot was only in $O(n^2)$ time. How can I use the properties of NTM on a si …
Erkan Turan's user avatar