Tokyo Metropolitan University · Graduate School of Business Administration · 教授

Research keywords極値統計・応用線形代数・応用確率論・マルコフ解析・ネットワーク科学・データサイエンス・待ち行列理論

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• Hiroyuki Masuyama, Hiroshige Dan, and Shunji Umetani, "Curse of scale-freeness: Intractability of large-scale optimization with multi-start methods," Extremes, vol. 28, no. 3, pp. 491-521, September 2025.2025 · 研究業績 · _other
• Hiroyuki Masuyama, Yosuke Katsumata, and Tastuaki Kimura, A subgeometric convergence formula for finite-level M/G/1-type Markov chains: via a block-decomposition-friendly solution to the Poisson equation of the deviation matrix, Advances in Applied Probability, vol. 56, no. 2, pp. 389-429, June 2024.2024 · 研究業績 · _other
• Hiroyuki Masuyama, "A new matrix-infinite-product-form solution for upper block-Hessenberg Markov chains and its quasi-algorithmic constructibility," Advances in Applied Probability, vol. 55, no. 1, 1-28, March 2023.2023 · 研究業績 · _other
• Katsuhisa Ouchi and Hiroyuki Masuyama, "Level-wise subgeometric convergence of the level-increment truncation approximation of M/G/1-type Markov chains," Journal of the Operations Research Society of Japan, vol. 65, no. 4, 198-215, 2022.2022 · 研究業績 · _other

• proactive/reactive併用送信誤り回復方式に関する研究
• スマートグリッドにおけるAMIに関する研究
• 待ち行列ネットワークの性能評価に向けた反射型ランダムウォークの漸近解析
• Transient analysis of multi-server queues

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