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I recently stumbled upon this paper here and here on the "deep ai" website that claims "BQP is not in NP."

I thought that this result would be huge (as a corollary would be that $BQP \neq P$), so I find it strange that I haven't heard about the proof before.

Is this paper legit?

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  • $\begingroup$ This question was closed as per the following journal paper: doi.org/10.1016/S0020-0190(99)00084-8 That is, BQP=/=NP $\endgroup$
    – lin
    Commented Mar 18, 2023 at 4:10
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    $\begingroup$ @lin: I am a little bit unsure because in the abstract it is stated that BQP differs from NQP . However NP and NQP are different classes. $\endgroup$ Commented Mar 18, 2023 at 8:24

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There is no known relationship of BQP and NP. The wikipedia page is up to date on the relationship of BQP to other classes.

The pdf you linked is not a peer-reviewed publication, and should not be believed.

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