Efficient GPU Implementation for Solving the Maximum Independent Set Problem. - Tomohiro Imanaga; Koji Nakano; Masaki Tao; Ryota Yasudo; Yasuaki Ito; Yuya Kawamata; Ryota Katsuki; Yusuke Tabata; Takashi Yazane; Kenichiro Hamano (CANDAR, 2020)

Fully-Pipelined Architecture for Simulated Annealing-based QUBO Solver on the FPGA. - Hiroshi Kagawa; Yasuaki Ito; Koji Nakano; Ryota Yasudo; Yuya Kawamata; Ryota Katsuki; Yusuke Tabata; Takashi Yazane; Kenichiro Hamano (CANDAR, 2020)

Solving the sparse QUBO on multiple GPUs for Simulating a Quantum Annealer. - Tomohiro Imanaga; Koji Nakano; Ryota Yasudo; Yasuaki Ito; Yuya Kawamata; Ryota Katsuki; Shiro Ozaki; Takashi Yazane; Kenichiro Hamano (CANDAR, 2021)

Graph-theoretic Formulation of QUBO for Scalable Local Search on GPUs. - Ryota Yasudo; Koji Nakano; Yasuaki Ito; Yuya Kawamata; Ryota Katsuki; Shiro Ozaki; Takashi Yazane; Kenichiro Hamano (IPDPS Workshops, 2022)

Simple iterative trial search for the maximum independent set problem optimized for the GPUs. - Tomohiro Imanaga; Koji Nakano; Ryota Yasudo; Yasuaki Ito; Yuya Kawamata; Ryota Katsuki; Yusuke Tabata; Takashi Yazane; Kenichiro Hamano (Concurr. Comput. Pract. Exp., 2023)

High-throughput FPGA implementation for quadratic unconstrained binary optimization. - Hiroshi Kagawa; Yasuaki Ito; Koji Nakano; Ryota Yasudo; Yuya Kawamata; Ryota Katsuki; Yusuke Tabata; Takashi Yazane; Kenichiro Hamano (Concurr. Comput. Pract. Exp., 2023)

Breaking SHA-1 through QUBO models. - Shunsuke Tsukiyama; Koji Nakano; Yasuaki Ito; Takumi Kato; Yuya Kawamata (CANDARW, 2024)

Designing Unit Ising Models for Logic Gate Simulation through Integer Linear Programming. - Shunsuke Tsukiyama; Koji Nakano; Xiaotian Li; Yasuaki Ito; Takumi Kato; Yuya Kawamata (CoRR, 2024)

Generating hard quadratic unconstrained binary optimization instances via the method of combining bit reduction and duplication technique. - Xiaotian Li; Koji Nakano; Shunsuke Tsukiyama; Yasuaki Ito; Takumi Kato; Yuya Kawamata (Int. J. Parallel Emergent Distributed Syst., 2024)

QUBO++: A C++ Library for Developing and Solving QUBO Problems. - Koji Nakano; Shunsuke Tsukiyama; Xiaotian Li; Yasuaki Ito; Victor Parque; Takumi Kato; Yuya Kawamata; Kaiki Ii (IPDPS (Workshops), 2025)

CUBO-to-QUBO Conversion: Reducing Cubic Formulations to Quadratic Formulations. - Shunsuke Tsukiyama; Xiaotian Li; Koji Nakano; Victor Parque; Yasuaki Ito; Takumi Kato; Yuya Kawamata; Kaiki Ii (IPDPS (Workshops), 2025)

Ising Models for Solving the N-Queens Puzzle Based on the Domain-Wall Vectors. - Shunsuke Tsukiyama; Koji Nakano; Yasuaki Ito; Takumi Kato; Yuya Kawamata (Concurr. Comput. Pract. Exp., 2025)

Designing unit Ising models for logic gate simulation through integer linear programming. - Shunsuke Tsukiyama; Koji Nakano; Victor Parque; Yasuaki Ito; Takumi Kato; Yuya Kawamata; Kaiki Ii (Int. J. Parallel Emergent Distributed Syst., 2025)