Doron ZEILBERGER's P = NP computer proof
That paper is a hoax. If you look, it just throws numbers around for a huge polynomial bound, purports to solve a problem by "Laurent polynomials" without any clue on how they relate to the problem, shifts to integrals and estimates them by numerical means "sufficiently precisely" (and that is supposed to give the huge degree polynomial somehow). And nowhere are the 3000 hours of CRAY time to be seen.