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Questions tagged [unique-solution]

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Variation of (derandomized) Valiant-Vazirani

I am interested in the following "improvement" of the Valiant-Vazirani reduction. As pointed out here, under the right derandomization assumptions one can obtain a deterministic polynomial-...
Noel Arteche's user avatar
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6 votes
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Certifying the promise in hard promise problems

Do we happen to know of any promise problems where the problem is both conditionally hard (say, NP-hard) while simultaneously being able to certify that the instance satisfies the given promise? For ...
Noel Arteche's user avatar
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2 votes
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A question about UE

Much has been written about the class UP see related (even more in literature) example question here. Much is understood about the class UP, and its place in collapsing the PH too. UP has a played ...
user3483902's user avatar
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1 vote
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Algorithms for finding unique solutions of NP-complete problems

The complexity of algorithms that find unique solution for an NP-complete problem (the input is guaranteed to have a unique solution) seems to shed light on the hardness character of different NP ...
Mohammad Al-Turkistany's user avatar