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

3 votes
1 answer
116 views

$m/p$-equivalence holds after union with an arbitrary finite language

Problem 1: Let $A,B$ be languages over some alphabet $\Sigma$, if $A \equiv_m B$, then for every finite language $C$, $A \cup C \equiv_m B \cup C$. Problem 2: Problem 1 but using polynomial time redu …