Karp reductions

Karp reductions

P = NP? That is: can every decision problem whose yes-instances have polynomial-time verifiable certificates also be decided in polynomial time? Equivalent formulations run through NP-completeness (Cook–Levin) and Karp reductions.

Karp reductions —lemma→ P vs NP

Karp reductions —implies→ P ≠ NP separation