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quant-ph2025

Multilevel Circuit Optimization in Quantum Compilers: A Case Study

Tamiya Onodera, Yuki Sato, Toshinari Itoko +1

In this paper, we explore multilevel circuit optimization (MLCO), where we deploy multiple gate sets and progressively lower the source circuit through the gate sets to the target…

quant-ph2024

Noise Robustness of Quantum Relaxation for Combinatorial Optimization

Kentaro Tamura, Yohichi Suzuki, Rudy Raymond +5

QRAO (Quantum Random Access Optimization) is a relaxation algorithm that reduces the number of qubits required to solve a problem by encoding multiple variables per qubit using QRA…

quant-ph2024

Recursive Quantum Relaxation for Combinatorial Optimization Problems

Ruho Kondo, Yuki Sato, Rudy Raymond +1

Quantum optimization methods use a continuous degree-of-freedom of quantum states to heuristically solve combinatorial problems, such as the MAX-CUT problem, which can be attribute…

quant-ph2024

Hamiltonian simulation for hyperbolic partial differential equations by scalable quantum circuits

Yuki Sato, Ruho Kondo, Ikko Hamamura +2

Solving partial differential equations for extremely large-scale systems within a feasible computation time serves in accelerating engineering developments. Quantum computing algor…

quant-ph2023

Doubly optimal parallel wire cutting without ancilla qubits

Hiroyuki Harada, Kaito Wada, Naoki Yamamoto

A restriction in the quality and quantity of available qubits presents a substantial obstacle to the application of near-term and early fault-tolerant quantum computers in practica…