Takayuki Okuno

21 papers Journal 21
YearRankTypeTitle / Venue / Authors
2026 J jnl
Computational Complexity and Integer Programming Formulation of the Oredango Puzzle.
IEICE Trans. Inf. Syst.
Takuma Takahata, Norito Minamikawa, Takayuki Okuno
2026 J jnl
Local Near-Quadratic Convergence of Riemannian Interior Point Methods.
J. Optim. Theory Appl.
Mitsuaki Obara, Takayuki Okuno, Akiko Takeda
2025 J jnl
Accelerated-gradient-based generalized Levenberg-Marquardt method with oracle complexity bound and local quadratic convergence.
Math. Program.
Naoki Marumo, Takayuki Okuno, Akiko Takeda
2025 J jnl
Computational Complexity and Integer Programming Formulation of the Oredango Puzzle.
CoRR
Takuma Takahata, Norito Minamikawa, Takayuki Okuno
2025 J jnl
Unified smoothing approach for best hyperparameter selection problem using a bilevel optimization strategy.
Math. Program.
Jan Harold Alcantara, Chieu Thanh Nguyen, Takayuki Okuno, Akiko Takeda, Jein-Shan Chen
2024 J jnl
Closing duality gaps of SDPs completely through perturbation when singularity degree is one.
Optim. Methods Softw.
Takashi Tsuchiya, Bruno F. Lourenço, Masakazu Muramatsu, Takayuki Okuno
2024 J jnl
Local convergence of primal-dual interior point methods for nonlinear semidefinite optimization using the Monteiro-Tsuchiya family of search directions.
Comput. Optim. Appl.
Takayuki Okuno
2024 J jnl
Stable Linear System Identification With Prior Knowledge by Riemannian Sequential Quadratic Optimization.
IEEE Trans. Autom. Control.
Mitsuaki Obara, Kazuhiro Sato, Hiroki Sakamoto, Takayuki Okuno, Akiko Takeda
2023 J jnl
A limiting analysis on regularization of singular SDP and its implication to infeasible interior-point algorithms.
Math. Program.
Takashi Tsuchiya, Bruno F. Lourenço, Masakazu Muramatsu, Takayuki Okuno
2023 J jnl
Complexity analysis of interior-point methods for second-order stationary points of nonlinear semidefinite optimization problems.
Comput. Optim. Appl.
Shun Arahata, Takayuki Okuno, Akiko Takeda
2023 J jnl
Majorization-minimization-based Levenberg-Marquardt method for constrained nonlinear least squares.
Comput. Optim. Appl.
Naoki Marumo, Takayuki Okuno, Akiko Takeda
2023 J jnl
Primal-dual path following method for nonlinear semi-infinite programs with semi-definite constraints.
Math. Program.
Takayuki Okuno, Masao Fukushima
2022 J jnl
A stabilized sequential quadratic semidefinite programming method for degenerate nonlinear semidefinite programs.
Comput. Optim. Appl.
Yuya Yamakawa, Takayuki Okuno
2022 J jnl
Sequential Quadratic Optimization for Nonlinear Optimization Problems on Riemannian Manifolds.
SIAM J. Optim.
Mitsuaki Obara, Takayuki Okuno, Akiko Takeda
2021 J jnl
Extension of the LP-Newton method to conic programming problems via semi-infinite representation.
Numer. Algorithms
Mirai Tanaka, Takayuki Okuno
2021 J jnl
On lp-hyperparameter Learning via Bilevel Nonsmooth Optimization.
J. Mach. Learn. Res.
Takayuki Okuno, Akiko Takeda, Akihiro Kawana, Motokazu Watanabe
2020 J jnl
An interior point sequential quadratic programming-type method for log-determinant semi-infinite programs.
J. Comput. Appl. Math.
Takayuki Okuno, Masao Fukushima
2016 J jnl
An exchange method with refined subproblems for convex semi-infinite programming problems.
Optim. Methods Softw.
Takayuki Okuno, Shunsuke Hayashi, Nobuo Yamashita, Kensuke Gomoto
2016 J jnl
Simplex-type algorithm for second-order cone programmes via semi-infinite programming reformulation.
Optim. Methods Softw.
Shunsuke Hayashi, Takayuki Okuno, Yoshihiko Ito
2014 J jnl
Local reduction based SQP-type method for semi-infinite programs with an infinite number of second-order cone constraints.
J. Glob. Optim.
Takayuki Okuno, Masao Fukushima
2012 J jnl
A Regularized Explicit Exchange Method for Semi-Infinite Programs with an Infinite Number of Conic Constraints.
SIAM J. Optim.
Takayuki Okuno, Shunsuke Hayashi, Masao Fukushima