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quant-ph2024★ 2 cited
On Computational Complexity of Unitary and State Design Properties
Yoshifumi Nakata, Yuki Takeuchi, Martin Kliesch +1
We investigate unitary and state -designs from a computational complexity perspective. First, we address the problems of computing frame potentials that characterize (approximat…
quant-ph2024
Explicit decoders using fixed-point amplitude amplification based on QSVT
Takeru Utsumi, Yoshifumi Nakata
Reliably transmitting quantum information via a noisy quantum channel is a central challenge in quantum information science. While constructing a decoder is crucial to this goal, l…