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What language is in $P/Poly \setminus P$? I was thinking of it by hours but I cannot come with an idea. Please help.

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One example is the language $$\{ 1^n : \text{the $n$th Turing machine halts on the empty input}\}.$$ This language has constant size circuits, but isn't computable.

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  • $\begingroup$ Ok, what about computable languages in $P/poly \setminus P$? $\endgroup$ – Logic Aug 21 '17 at 21:27
  • $\begingroup$ This is an exercise that you can now complete on your own. The answer will look very similar. $\endgroup$ – Yuval Filmus Aug 21 '17 at 21:30

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