Author

Avishay Tal

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Preprint Aug 2026

Certified Randomness without Structure Against Shallow-Query Adversaries

In a recent breakthrough, Yamakawa and Zhandry (J. ACM 2024) constructed a proof of quantumness in the quantum random oracle model (QROM) in which the quantum prover samples a codeword preimage of a publicly computable function H. They conjectured that given any H, a successful prover must sample their preimage from a...

Dakshita Khurana, Bhaskar Roberts, Avishay Tal · 2 citations

Preprint Sep 2026

$\mathsf{BQP} \subseteq \mathsf{IP}$ Does Not Relativize

We construct an oracle relative to which $\mathsf{BQP} \not\subseteq \mathsf{IP}$, resolving a long-standing open question in quantum complexity theory. Together with recent work due to Aaronson et al., our work also gives the first oracle separation between $\mathsf{IP}$ and $\mathsf{MIP}$, answering a question dating...

Adam Bouland, Andrew Huang, Anand Natarajan et al. · 0 citations

Preprint Aug 2026

Unconditional Certified Randomness without Structure

A certified randomness protocol in the quantum random oracle model is obtained that proves unconditional security of this protocol against adversaries making subexponentially-many adaptive quantum queries to the random oracle.

A. Coladangelo, Dakshita Khurana, Saachi Mutreja et al. · 0 citations