Koji Hukushima

20 papers A 1B 1Journal 18
YearRankTypeTitle / Venue / Authors
2025 J jnl
Rethinking the Relationship between the Power Law and Hierarchical Structures.
CoRR
Kai Nakaishi, Ryo Yoshida, Kohei Kajikawa, Koji Hukushima, Yohei Oseki
2024 B conf
Adaptive Flip Graph Algorithm for Matrix Multiplication.
ISSAC
Yamato Arai, Yuma Ichikawa, Koji Hukushima
2024 J jnl
Critical Phase Transition in a Large Language Model.
CoRR
Kai Nakaishi, Yoshihiko Nishikawa, Koji Hukushima
2024 A conf
Learning Dynamics in Linear VAE: Posterior Collapse Threshold, Superfluous Latent Space Pitfalls, and Speedup with KL Annealing.
AISTATS
Yuma Ichikawa, Koji Hukushima
2024 J jnl
Ratio Divergence Learning Using Target Energy in Restricted Boltzmann Machines: Beyond Kullback-Leibler Divergence Learning.
CoRR
Yuichi Ishida, Yuma Ichikawa, Aki Dote, Toshiyuki Miyazawa, Koji Hukushima
2024 J jnl
Statistical Mechanics of Min-Max Problems.
CoRR
Yuma Ichikawa, Koji Hukushima
2024 J jnl
Statistical Mechanics of Min-Max Problems.
Trans. Mach. Learn. Res.
Yuma Ichikawa, Koji Hukushima
2023 J jnl
Adaptive Flip Graph Algorithm for Matrix Multiplication.
CoRR
Yamato Arai, Yuma Ichikawa, Koji Hukushima
2023 J jnl
Dataset Size Dependence of Rate-Distortion Curve and Threshold of Posterior Collapse in Linear VAE.
CoRR
Yuma Ichikawa, Koji Hukushima
2023 J jnl
Learning Dynamics in Linear VAE: Posterior Collapse Threshold, Superfluous Latent Space Pitfalls, and Speedup with KL Annealing.
CoRR
Yuma Ichikawa, Koji Hukushima
2022 J jnl
Data-driven sensitivity analysis in surface structure determination using total-reflection high-energy positron diffraction (TRHEPD).
Comput. Phys. Commun.
Takeo Hoshi, Daishiro Sakata, Shotaro Oie, Izumi Mochizuki, Satoru Tanaka, Toshio Hyodo, Koji Hukushima
2022 J jnl
Estimating Distributions of Parameters in Nonlinear State Space Models with Replica Exchange Particle Marginal Metropolis-Hastings Method.
Entropy
Hiroaki Inoue, Koji Hukushima, Toshiaki Omori
2020 J jnl
Data-driven determination of the spin Hamiltonian parameters and their uncertainties: The case of the zigzag-chain compound KCu
CoRR
Ryo Tamura, Koji Hukushima, Akira Matsuo, Koichi Kindo, Masashi Hase
2018 J jnl
Large-deviation Properties of Linear-programming Computational Hardness of the Vertex Cover Problem.
CoRR
Satoshi Takabe, Koji Hukushima, Alexander K. Hartmann
2017 J jnl
An exact algorithm exhibiting RS-RSB/easy-hard correspondence for the maximum independent set problem.
CoRR
Jun Takahashi, Satoshi Takabe, Koji Hukushima
2017 J jnl
Typical Approximation Performance for Maximum Coverage Problem.
CoRR
Satoshi Takabe, Takanori Maehara, Koji Hukushima
2016 J jnl
Statistical-mechanical Analysis of Linear Programming Relaxation for Combinatorial Optimization Problems.
CoRR
Satoshi Takabe, Koji Hukushima
2016 J jnl
Typical Performance of Approximation Algorithms for NP-hard Problems.
CoRR
Satoshi Takabe, Koji Hukushima
2013 J jnl
Typical behavior of the linear programming method for combinatorial optimization problems: From a statistical-mechanical perspective.
CoRR
Satoshi Takabe, Koji Hukushima
2008 J jnl
On-line Learning of an Unlearnable True Teacher through Mobile Ensemble Teachers
CoRR
Takeshi Hirama, Koji Hukushima