3 papers
quant-ph2026
Quantum secure blind decryption with two users
Masahito Hayashi, Yuki Ito
We propose two types of protocols for quantum secure blind decryption, involving two users and servers. User 1 holds the encrypted ciphertext. The servers store several indexed key…
quant-ph2025
A Quantum Algorithm for Nonlinear Electromagnetic Fluid Dynamics via Koopman-von Neumann Linearization
Hayato Higuchi, Yuki Ito, Kazuki Sakamoto +2
To simulate plasma phenomena, large-scale computational resources have been employed in developing high-precision and high-resolution plasma simulations. One of the main obstacles…
quant-ph2024
Polynomial time constructive decision algorithm for multivariable quantum signal processing
Yuki Ito, Hitomi Mori, Kazuki Sakamoto +1
Quantum signal processing (QSP) and quantum singular value transformation (QSVT) have provided a unified framework for understanding many quantum algorithms, including factorizatio…