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I'm wondering if there exists an exact algorithm for some np-complete problem with quasi-polynomial time complexity.

My best guess is 'no', because if there was one (with a reasonable C, not any C), probably to find a way to improve the time complexity to polynomial would be just a matter of time, thus, the P vs. NP question will be already closed.

I researched on internet and seems there is no quasi-polynomial solution for any of the known np-complete problem (I do found pseudo-polynomial algorithms)

So, could somebody point me to some exact quasi-polynomial algorithm for some np-complete problem if such algorithm exists?

thanks!

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    $\begingroup$ Wouldn't that violate the Exponential-time hypothesis? I.e. this would imply quasipolynomial-time algorithms for all of NP, which are widely believed not to exist. $\endgroup$
    – Thomas
    Dec 3, 2014 at 4:12
  • $\begingroup$ @Thomas I'm going to take a look to the hypothesis, also I understand if the hypothesis is still alive means there is no quasi-polynomial algorithm then :) for me is a valid answer so feel free to answer this to the question. $\endgroup$ Dec 3, 2014 at 4:16
  • $\begingroup$ This previous question may give useful information: cstheory.stackexchange.com/questions/21571/… $\endgroup$ Dec 14, 2014 at 2:51

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