Automata and Computability - Show that, if P = NP then every language A P except A = 0 and A = * is NP-complete.
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Automata and Computability - Let EQREX = {R,S | R and S are equivalent regular expressions}. Show that EQREX PSPACE.
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Asymptotic Notation - Questions are in the attached file from past midterm, please provide me clear detailed processes and explanation, thank you.
Automata and Computability - Prove that an oracle C exists for which NPC coNPC.
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Automata and Computability - Let C be a language. Prove that C turing-recognizable if a decidable language D exists such that C = {x | y (x,y D)}.