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Sigma-i (Japan)

Homepage: sigmailab.com
Alternate names: Sigma-i Co., Ltd., シグマアイ
ROR: 008k9fy29
OpenAlex ID: I4405282673
Efficient partition of integer optimization problems with one-hot encoding
2019 · Shuntaro Okada, Masayuki Ohzeki, et al. · Scientific Reports · 196
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Probing the universality of topological defect formation in a quantum annealer: Kibble-Zurek mechanism and beyond
2020 · Yuki Bando, Yuki Susa, et al. · Physical Review Research · 147
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Control of Automated Guided Vehicles Without Collision by Quantum Annealer and Digital Devices
2019 · Masayuki Ohzeki, Akira Miki, et al. · Frontiers in Computer Science · 104
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Benchmark of quantum-inspired heuristic solvers for quadratic unconstrained binary optimization
2022 · Hiroki Oshiyama, Masayuki Ohzeki · Scientific Reports · 67
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Breaking limitation of quantum annealer in solving optimization problems under constraints
2020 · Masayuki Ohzeki · Scientific Reports · 67
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Travel time optimization on multi-AGV routing by reverse annealing
2022 · Renichiro Haba, Masayuki Ohzeki, et al. · Scientific Reports · 45
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Benchmark Test of Black-box Optimization Using D-Wave Quantum Annealer
2021 · Ami S. Koshikawa, Masayuki Ohzeki, et al. · Journal of the Physical Society of Japan · 42
Mean field analysis of reverse annealing for code-division multiple-access multiuser detection
2021 · Shunta Arai, Masayuki Ohzeki, et al. · Physical Review Research · 36
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Quantum Optimization with Lagrangian Decomposition for Multiple-process Scheduling in Steel Manufacturing
2022 · Kouki Yonaga, Masamichi Miyama, et al. · ISIJ International · 28
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Assessment of image generation by quantum annealer
2021 · Takehito Sato, Masayuki Ohzeki, et al. · Scientific Reports · 28
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Routing and scheduling optimization for urban air mobility fleet management using quantum annealing
2025 · Renichiro Haba, Takuya Mano, et al. · Scientific Reports · 24
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Quadratic Unconstrained Binary Formulation for Traffic Signal Optimization on Real-World Maps
2025 · Reo Shikanai, Masayuki Ohzeki, et al. · Journal of the Physical Society of Japan · 24
Solving Inequality-Constrained Binary Optimization Problems on Quantum Annealer
2020 · Yonaga, Kouki, Miyama, Masamichi J., et al. · arXiv (Cornell University) · 20
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Comparing the Effects of Boltzmann Machines as Associative Memory in Generative Adversarial Networks between Classical and Quantum Samplings
2022 · Mitsuru Urushibata, Masayuki Ohzeki, et al. · Journal of the Physical Society of Japan · 17
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Efficient Algorithm for Binary Quadratic Problem by Column Generation and Quantum Annealing
2023 · Sota Hirama, Masayuki Ohzeki · Journal of the Physical Society of Japan · 16
Virtual Screening of Chemical Space Based on Quantum Annealing
2023 · Takuro Tanaka, Masami Sako, et al. · Journal of the Physical Society of Japan · 16
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Teacher-Student Learning for a Binary Perceptron with Quantum Fluctuations
2021 · Shunta Arai, Masayuki Ohzeki, et al. · Journal of the Physical Society of Japan · 16
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Maximum-Likelihood Channel Decoding with Quantum Annealing Machine
2020 · Ide, Naoki, Asayama, Tetsuya, et al. · arXiv (Cornell University) · 14
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Exploration of new chemical materials using black-box optimization with the D-wave quantum annealer
2023 · Mikiya Doi, Yoshihiro Nakao, et al. · Frontiers in Computer Science · 12
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Online Calibration Scheme for Training Restricted Boltzmann Machines with Quantum Annealing
2025 · Takeru Goto, Masayuki Ohzeki · Journal of the Physical Society of Japan · 11
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Hybrid Algorithm of Linear Programming Relaxation and Quantum Annealing
2024 · Taisei Takabayashi, Masayuki Ohzeki · Journal of the Physical Society of Japan · 10
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Graph Minor Embedding Can Affect Sampling Degenerate Ground States Using Quantum Annealing
2025 · Naoki Maruyama, Masayuki Ohzeki, et al. · Journal of the Physical Society of Japan · 9
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Individual subject evaluated difficulty of adjustable mazes generated using quantum annealing
2023 · Yuto Ishikawa, Takuma Yoshihara, et al. · Frontiers in Computer Science · 9
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Efficient Quantum and Simulated Annealing of Potts Models Using a Half-hot Constraint
2020 · Shuntaro Okada, Masayuki Ohzeki, et al. · Journal of the Physical Society of Japan · 9
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Kernel Learning by Quantum Annealer
2026 · Yasushi Hasegawa, Hiroki Oshiyama, et al. · Journal of the Physical Society of Japan · 8
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Works count: 86
Citation count: 1,420
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