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quant-ph2025
One-Query Quantum Algorithms for the Index- Hidden Subgroup Problem
Amit Te'eni, Yaron Oz, Eliahu Cohen
The quantum Fourier transform (QFT) is central to many quantum algorithms, yet its necessity is not always well understood. We re-examine its role in canonical query problems. The…
quant-ph2025★ 1 cited
Optimal Quantum Likelihood Estimation
Alon Levi, Ziv Ossi, Eliahu Cohen +1
A hybrid quantum-classical algorithm is a computational scheme in which quantum circuits are used to extract information that is then processed by a classical routine to guide subs…
math-ph2025
Equivalence of mutually unbiased bases via orbits: general theory and a case study
Amit Te'eni, Eliahu Cohen
In quantum mechanics, mutually unbiased bases (MUBs) represent orthonormal bases that are as "far apart" as possible, and their classification reveals rich underlying geometric str…