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研究关键词数理計画法・非線形最適化・最適化理論・連続最適化

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• H. Sato, Y. Yamakawa, and K. Aihara, "Modified Armijo line search in optimization on Riemannian submanifolds with reduced computational cost", Mathematics and Computers in Simulation, Vol. 245, pp. 260-274, July 2026.2026 · 研究業績 · _other
• Y. Yamakawa and N. Yamashita, "Convergence analysis of a regularized Newton method with generalized regularization terms for unconstrained convex optimization problems", Applied Mathematics and Computation, Vol. 491, p. 129219, April 2025.2025 · 研究業績 · _other
• H. Li, Y. Yamakawa, E. H. Fukuda, and N. Yamashita, "A strong second-order sequential optimality condition for nonlinear programming problems", Pacific Journal of Optimization, Vol. 21, No. 4, pp. 745-760, November 2025.2025 · 研究業績 · _other
• H. Matsui, K. Yamamoto, and Y. Yamakawa, "Sparse estimation in kriging for functional data", Stochastic Environmental Research and Risk Assessment, Vol. 39, pp. 2413-2425, June 2025.2025 · 研究業績 · _other

• 連続最適化の陽に書ける双対問題とその利活用
• 非線形半正定値計画問題に対する高速かつ効率的手法の開発

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