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quant-ph2026
Simplification of tensor updates toward performance-complexity balanced quantum computer simulation
Koichi Yanagisawa, Tsuyoshi Okubo, Shota Koshikawa +3
Matrix Product States (MPS) provide a powerful framework for simulating quantum circuits. In practical simulations, tensor updates are typically performed in the canonical form (CF…
quant-ph2025
Hyperbolic Floquet code with graph-edge syndromes
Hideyuki Ozawa, Isamu Kudo, Yuki Takeuchi +1
Quantum error correction would be a primitive for demonstrating quantum advantage in a realistic noisy environment. Floquet codes are a class of dynamically generated, stabilizer-b…
quant-ph2024
Preconditioning for a Variational Quantum Linear Solver
Aruto Hosaka, Koichi Yanagisawa, Shota Koshikawa +3
We apply preconditioning, which is widely used in classical solvers for linear systems , to the variational quantum linear solver. By utilizing incomplete L…