学位
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博士（数理学） （ 2024年9月 九州大学 ）
学歴
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九州大学 大学院数理学府 数理学専攻
2021年4月 - 2024年9月
国名： 日本国
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九州大学 理学部 数学科
2017年4月 - 2021年3月
国名： 日本国
論文
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Keiichiro Yamamura, Issa Oe, Nozomi Hata, Hiroki Ishikura, Katsuki Fujisawa
Transactions on Machine Learning Research (TMLR) 2024 2024年5月
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Doubling Graph Traversal Efficiency to 198 TeraTEPS on the Supercomputer Fugaku.
Junya Arai, Masahiro Nakao, Yuto Inoue, Kanto Teranishi, Koji Ueno, Keiichiro Yamamura, Mitsuhisa Sato, Katsuki Fujisawa
SC 101 - 101 2024年
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Diversified Adversarial Attacks based on Conjugate Gradient Method.
Keiichiro Yamamura, Haruki Sato, Nariaki Tateiwa, Nozomi Hata, Toru Mitsutake, Issa Oe, Hiroki Ishikura, Katsuki Fujisawa
ICML abs/2206.09628 24872 - 24894 2022年
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Integrating learning-based and TSP solvers for the cylinder replacement problem
Akihiro Yoshida, Nozomi Hata, Keiichiro Yamamura, Hiroki Ishikura, Katsuki Fujisawa
JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS 43 ( 2 ) 2026年5月
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Automated Tabu Tenure Tuning by Trajectory Metrics for Quadratic Unconstrained Binary Optimization
Masahiko Sugimura, Keiichiro Yamamura, Hiroki Ishikura, Akihiro Yoshida, Ken Kawano, Matthieu Parizy, Katsuki Fujisawa
Journal of Heuristics 2026年3月
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QUBO-Based Subset Selection for Efficient Fine-Tuning of Vision–Language Models
Akihiro Yoshida, Keiichiro Yamamura, Hiroki Ishikura, Shinjiro Hirai, Ken Kawano, Yoshihiko Fujisawa, Katsuki Fujisawa
2026年
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Optimization of transporting time through load shuffling in automated storage and retrieval system and evaluation via demonstration experiments
Hiroki Ishikura, Makoto Tsukamoto, Shingo Egi, Keiichiro Yamamura, Yoshihiko Fujisawa, Akihiro Yoshida, Hiroyuki Koshiro, Katsuki Fujisawa
Japan Journal of Industrial and Applied Mathematics 2025年12月
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Superpixel Attack: Enhancing Black-box Adversarial Attack with Image-driven Division Areas.
Issa Oe, Keiichiro Yamamura, Hiroki Ishikura, Ryo Hamahira, Katsuki Fujisawa
CoRR abs/2512.02062 2025年12月
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Keiichiro Yamamura, Toru Mitsutake, Hiroki Ishikura, Daiki Kusuhara, Akihiro Yoshida, Katsuki Fujisawa
CoRR abs/2502.02895 2025年2月
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Enhancing Output Diversity Improves Conjugate Gradient-based Adversarial Attacks 査読
Keiichiro Yamamura, Issa Oe, Hiroki Ishikura, Katsuki Fujisawa
the 4th edition of the International Conference on Pattern Recognition and Artificial Intelligence (ICPRAI) abs/2408.03972 2024年7月
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Enhancing Output Diversity Improves Conjugate Gradient-Based Adversarial Attacks.
Keiichiro Yamamura, Issa Oe, Hiroki Ishikura, Katsuki Fujisawa
ICPRAI (1) 47 - 61 2024年
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Superpixel Attack: Enhancing Black-Box Adversarial Attack with Image-Driven Division Areas 査読
Issa Oe, Keiichiro Yamamura, Hiroki Ishikura, Ryo Hamahira, Katsuki Fujisawa
Australasian Joint Conference on Artificial Intelligence 2023, 28th Nov - 1st Dec, 2023 141 - 152 2023年11月
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Scheduling system for automated storage and retrieval system with multiple machines using a time-expanded network 査読
Hiroki Ishikura, Nariaki Tateiwa, Shingo Egi, Issa Oe, Nozomi Hata, Toru Mitsutake, Keiichiro Yamamura, Miyu Fujii, Katsuki Fujisawa
Japan Journal of Industrial and Applied Mathematics 41 447 - 474 2023年10月
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Development and analysis of massive parallelization of a lattice basis reduction algorithm 査読
Nariaki Tateiwa, Yuji Shinano, Masaya Yasuda, Shizuo Kaji, Keiichiro Yamamura, Katsuki Fujisawa
Japan Journal of Industrial and Applied Mathematics 41 13 - 56 2023年4月
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Development and Evaluation of Embedding Methods for Graphs with Multi Attributes.
Miyu Fujii, David Taingngin, Keiichiro Yamamura, Nozomi Hata, Hiroki Kai, Ryuji Noda, Hiroki Ishikura, Tatsuru Higurashi, Katsuki Fujisawa
Big Data 3659 - 3667 2022年
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CMAP-LAP: Configurable Massively Parallel Solver for Lattice Problems.
Nariaki Tateiwa, Yuji Shinano, Keiichiro Yamamura, Akihiro Yoshida, Shizuo Kaji, Masaya Yasuda, Katsuki Fujisawa
28th IEEE International Conference on High Performance Computing, Data, and Analytics(HiPC) 42 - 52 2021年