Publications¶
See also: Google Scholar, DBLP, Researchmap
Book¶
- 組合せ最適化から機械学習へ: 劣モジュラ最適化とグラフマイニング (From Combinatorial Optimization to Machine Learning: Submodular Optimization and Graph Mining) [Publisher] - with Kaito Fujii, Atsushi Miyauchi, - SAIENSU-SHA Co.,Ltd, 2022.   
Refereed Journal and Conference Articles¶
- Algorithmic aspects of semistability of quiver representations [Proceedings] [ArXiv] - with Yuni Iwamasa, Taihei Oki - The 52nd International Colloquium on Automata, Languages, and Programming (ICALP), 2025. 
- Difference-of-submodular Bregman Divergence [Proceedings] - with Masanari Kimura, Takahio Kawashima, and Hideitsu Hino - The 13th International Conference on Learning Representations (ICLR), 2025. 
- Algebraic Algorithms for Fractional Linear Matroid Parity via Non-commutative Rank [ArXiv] - with Taihei Oki - SIAM Journal on Computing, 54(1), 2025. - ACM-SIAM Symposium on Discrete Algorithms (SODA), 2023. [Proceedings] 
- Algebraic combinatorial optimization on the degree of determinants of noncommutative symbolic matrices - with Hiroshi Hirai, Yuni Iwamasa, Taihei Oki 
- Online Algorithms for Spectral Hypergraph Sparsification [ArXiv] - with Kam Chuen Tung and Yuichi Yoshida - Integer Programming and Combinatorial Optimization (IPCO), 2024. [Proceedings] 
- Shrunk subspaces via operator Sinkhorn iteration [ArXiv] - with Cole Franks and Michel X. Goemans - ACM-SIAM Symposium on Discrete Algorithms (SODA), 2023. [Proceedings] 
- Online Risk-averse Submodular Maximization - with Yuichi Yoshida - Annals of Operations Research, 320, pp. 393–414, 2023. - The 30th International Joint Conference on Artificial Intelligence (IJCAI), 2021. [Proceedings] 
- Information Geometry of Operator Scaling - with Takeru Matsuda - Linear Algebra and its Applications, 649, pp. 240–267, 2022. 
- Polynomial-Time Algorithms for Submodular Laplacian Systems [ArXiv] - with Kaito Fujii and Yuichi Yoshida 
- Improved Algorithms for Online Submodular Maximization via First-order Regret Bounds [Proceedings] - with Chris Liaw and Nick Harvey - Advances in Neural Information Processing Systems (NeurIPS), 2020. 
- Tight First- and Second-Order Regret Bounds for Adversarial Linear Bandits [Proceedings] - with Shinji Ito, Shuichi Hirahara, and Yuichi Yoshida - Advances in Neural Information Processing Systems (NeurIPS), 2020, spotlight. 
- No-regret algorithms for online k-submodular maximization [Proceedings] [ArXiv] - The 22nd International Conference on Artificial Intelligence and Statistics (AISTATS), 2019. 
- Spectral Sparsification of Hypergraphs [Proceedings] - with Yuichi Yoshida 
- Fast greedy algorithms for dictionary selection with generalized sparsity constraints [Proceedings] - with Kaito Fujii - Advances in Neural Information Processing Systems (NeurIPS), 2018, spotlight. 
- Maximizing Monotone Submodular Functions over the Integer Lattice [ArXiv] [full text] - with Yuichi Yoshida - Mathematical Programming, 172, pp.539–563, 2018. - Integer Programming and Combinatorial Optimization (IPCO), 2016 
- A New Approximation Guarantee for Monotone Submodular Function Maximization via Discrete Convexity [ArXiv] - with Yuichi Yoshida - The 45th International Colloquium on Automata, Languages, and Programming (ICALP), 2018. 
- On orthogonal tensors and best rank-one approximation ratio [ArXiv] - with Zhening Li, Yuji Nakatsukasa, and André Uschmajew - SIAM Journal on Matrix Analysis and Applications, 39 (1), pp. 400–425, 2018. 
- Regret Ratio Minimization in Multi-objective Submodular Function Maximization [PDF] - with Yuichi Yoshida 
- Non-monotone DR-Submodular Function Maximization [ArXiv] - with Yuichi Yoshida 
- Finding a low-rank basis in a matrix subspace [Full text] [ArXiv] - with Yuji Nakatsukasa and André Uschmajew 
- Non-Convex Compressed Sensing with the Sum-of-Squares Method [Proceedings] [PDF] - with Yuichi Yoshida 
- Multicasting in Linear Deterministic Relay Network by Matrix Completion [PDF(technical report)] - IEEE Transactions on Information Theory, 62(2), pp. 870–875, 2016. - IEEE International Symposium on Information Theory (ISIT), 2014 
- A Generalization of Submodular Cover via the Diminishing Return Property on the Integer Lattice [Proceedings] - with Yuichi Yoshida - Advances in Neural Information Processing Systems (NIPS), 2015, poster 
- Optimal Budget Allocation: Theoretical Guarantee and Efficient Algorithm [PDF(extended version)] - with Naonori Kakimura, Kazuhiro Inaba, and Ken-ichi Kawarabayashi - International Conference on Machine Learning (ICML), 2014, Cycle 1 (acceptance rate: 27%) 
- Fast Deterministic Algorithms for Matrix Completion Problems, [PDF] - SIAM Journal on Discrete Mathematics, 28(1), pp. 490–502, 2014. - Integer Programming and Combinatorial Optimization (IPCO), 2013 
Refereed Workshop Article¶
- Maximally Invariant Data Perturbation as Explanation [ArXiv] - with Satoshi Hara, Kouichi Ikeno, and Takanori Maehara - ICML Workshop on Human Interpretability in Machine Learning (WHI), 2018 
Preprints¶
- Cut-Matching Games for Bipartiteness Ratio of Undirected Graphs [ArXiv] - with Mingquan Ye, Yuichi Yoshida - ArXiv, 2025. 
- Accelerating operator Sinkhorn iteration with overrelaxation [ArXiv] - with André Uschmajew - ArXiv, 2024. 
- Optimal algorithms for group distributionally robust optimization and beyond [ArXiv] - with Khashayar Gatmiry, Stefanie Jegelka - ArXiv, 2022. 
- Statistical Learning with Conditional Value at Risk [ArXiv] - with Yuichi Yoshida - ArXiv, 2020. 
Theses¶
- Master thesis: “Faster Deterministic Algorithms for Matrix Completion Problems,” - Kyoto University, 2013, supervised by Satoru Iwata. - Operation Research Society Japan Student Paper Award (第31回日本オペレーションズ・リサーチ学会学生論文賞) 
- Doctoral dissertation: “Submodular and Sparse Optimization Methods for Machine Learning and Communication,” - Graduate School of Information Science and Technology, The University of Tokyo, 2016, supervised by Satoru Iwata. - Graduate School Distiguished Doctoral Thesis Award (情報理工学系研究科研究科長賞)