A general verification framework shows that pure quantum states can be certified against adversarial state preparation with at most a constant-factor overhead over nonadversarial verification.
Let ρ be an arbitrary permutation- invariant diagonal density matrix on H⊗(N +1) with de- compositionρ =∑ k∈SNckρk, where ck form a probabil- ity distribution on SN
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General framework for verifying pure quantum states in the adversarial scenario
A general verification framework shows that pure quantum states can be certified against adversarial state preparation with at most a constant-factor overhead over nonadversarial verification.