Faculty Database - IIDUKA Hideaki

Books and Papers

Conference Presentations

Academic Qualifications

Career History

Major Subjects

Academic Associations Membership

Social Activities

Web Sites

Email Addresses

Current Specialized Field

（Last updated : 2025-03-22 13:12:03）

IIDUKA Hideaki
Department Undergraduate School , School of Science and Technology

Position Professor

■ Books and Papers

1.	2025	Article	A General Framework of Riemannian Adaptive Optimization Methods with a Convergence Analysis Transactions on Machine Learning Research (Collaboration)
2.	2025	Article	Explicit and Implicit Graduated Optimization in Deep Neural Networks Proceedings of the 39th Annual AAAI Conference on Artificial Intelligence (Collaboration)
3.	2025	Article	Increasing Both Batch Size and Learning Rate Accelerates Stochastic Gradient Descent Transactions on Machine Learning Research (Collaboration)
4.	2025	Article	Iteration and Stochastic First-order Oracle Complexities of Stochastic Gradient Descent using Constant and Decaying Learning Rates, Optimization (Collaboration)
5.	2025	Article	Relationship between Batch Size and Number of Steps Needed for Nonconvex Optimization of Stochastic Gradient Descent using Armijo-Line-Search Learning Rate Transactions on Machine Learning Research (Collaboration)
6.	2024	Article	Convergence of Riemannian Stochastic Gradient Descent on Hadamard Manifold Pacific Journal of Optimization 20(4),pp.743-767 (Collaboration)
7.	2024	Article	Modified Memoryless Spectral-scaling Broyden Family on Riemannian Manifolds Journal of Optimization Theory and Applications 202,pp.834-853 (Collaboration)
8.	2024	Article	Scaled Conjugate Gradient Method for Nonconvex Optimization in Deep Neural Networks Journal of Machine Learning Research 25(395),pp.1-37 (Collaboration)
9.	2024	Article	Theoretical Analysis of Adam using Hyperparameters Close to One without Lipschitz Smoothness Numerical Algorithms 95,pp.383-421 (Single)
10.	2023	Article	Conjugate Gradient Method for Generative Adversarial Networks Proceedings of the 26th International Conference on Artificial Intelligence and Statistics 206,pp.4381-4408 (Collaboration)
11.	2023	Article	Existence and Estimation of Critical Batch Size for Training Generative Adversarial Networks with Two Time-Scale Update Rule Proceedings of the 40th International Conference on Machine Learning 202,pp.30080-30104 (Collaboration)
12.	2023	Article	Global Convergence of Hager-Zhang type Riemannian Conjugate Gradient Method Applied Mathematics and Computation 441(127685) (Collaboration)
13.	2023	Article	ϵ-Approximation of Adaptive Leaning Rate Optimization Algorithms for Constrained Nonconvex Stochastic Optimization IEEE Transactions on Neural Networks and Learning Systems 34(10),pp.8108-8115 (Single)
14.	2022	Article	Adaptive Methods Using Element-wise P-th Power of Stochastic Gradient for Nonconvex Optimization in Deep Neural Networks Linear and Nonlinear Analysis (Collaboration)
15.	2022	Article	Appropriate Learning Rates of Adaptive Learning Rate Optimization Algorithms for Training Deep Neural Networks IEEE Transactions on Cybernetics (Single)
16.	2022	Article	Conjugate-gradient-based Adam for Nonconvex Stochastic Optimization and Its Application to Deep Learning Journal of Nonlinear and Convex Analysis 23(2),pp.337-356 (Collaboration)
17.	2022	Article	Riemannian Adaptive Optimization Algorithm and Its Application to Natural Language Processing IEEE Transactions on Cybernetics (Collaboration)
18.	2022	Article	Riemannian Stochastic Fixed Point Optimization Algorithm Numerical Algorithms (Collaboration)
19.	2022	Article	ϵ-Approximation of Adaptive Leaning Rate Optimization Algorithms for Constrained Nonconvex Stochastic Optimization IEEE Transactions on Neural Networks and Learning Systems (Single)
20.	2021	Article	Evaluation of Fixed Point Quasiconvex Subgradient Method with Computational Inexactness Pure and Applied Functional Analysis 6(6),pp.1303-1316 (Collaboration)
21.	2021	Article	Inexact Stochastic Subgradient Projection Method for Stochastic Equilibrium Problems with Nonmonotone Bifunctions: Application to Expected Risk Minimization in Machine Learning Journal of Global Optimization 80(2),pp.479-505 (Single)
22.	2021	Article	Stochastic Approximation Method Using Diagonal Positive-Definite Matrices for Convex Optimization with Fixed Point Constraints Fixed Point Theory and Algorithms for Sciences and Engineering 2021(10) (Single)
23.	2021	Article	Sufficient Descent Riemannian Conjugate Gradient Methods Journal of Optimization Theory and Applications 190,pp.130-150 (Collaboration)
24.	2021	Article	Unified Algorithm Framework for Nonconvex Stochastic Optimization in Deep Neural Networks IEEE Access 9,pp.143807-143823 (Collaboration)
25.	2020	Article	Computation Time of Iterative Methods for Nonsmooth Convex Optimization With Fixed Point Constraints of Quasi-Nonexpansive Mappings Linear and Nonlinear Analysis 6(2),pp.281-286 (Collaboration)
26.	2020	Article	Decentralized Hierarchical Constrained Convex Optimization Optimization and Engineering (Single)
27.	2020	Article	Efficiency of Inexact Fixed Point Quasiconvex Subgradient Method Linear and Nonlinear Analysis (Collaboration)
28.	2020	Article	Fixed Point Quasiconvex Subgradient Method European Journal of Operational Research (Collaboration)
29.	2020	Article	Hybrid Riemannian Conjugate Gradient Methods with Global Convergence Properties Computational Optimization and Applications 77,pp.811-830 (Collaboration)
30.	2020	Article	Parallel Computing Proximal Method for Nonsmooth Convex Optimization With Fixed Point Constraints of Quasi-nonexpansive Mappings Applied Set-Valued Analysis and Optimization (Collaboration)
31.	2020	Article	Stochastic Fixed Point Optimization Algorithm for Classifier Ensemble. IEEE Transactions on Cybernetics (Single)
32.	2020	Article	Training Deep Neural Networks Using Conjugate Gradient-like Methods Electronics 9(11),pp.1809 (Collaboration)
33.	2019	Article	Convergence Analysis of Incremental and Parallel Line Search Subgradient Methods in Hilbert Space Journal of Nonlinear and Convex Analysis (Collaboration)
34.	2019	Article	Distributed Optimization for Network Resource Allocation With Nonsmooth Utility Functions IEEE Transactions on Control of Network Systems (Single)
35.	2019	Article	Incremental and Parallel Machine Learning Algorithms With Automated Learning Rate Adjustments Frontiers in Robotics and AI (Collaboration)
36.	2019	Article	Incremental Proximal Method for Nonsmooth Convex Optimization With Fixed Point Constraints of Quasi-nonexpansive Mappings Linear and Nonlinear Analysis (Collaboration)
37.	2019	Article	Iterative Methods for Parallel Convex Optimization With Fixed Point Constraints Journal of Nonlinear and Variational Analysis (Collaboration)
38.	2019	Article	Two Stochastic Optimization Algorithms for Convex Optimization With Fixed Point Constraints Optimization Methods and Software (Single)
39.	2018	Article	Evaluation of Stochastic Approximation Algorithm and Variants for Learning Support Vector Machines Linear and Nonlinear Analysis (Collaboration)
40.	2018	Article	Optimality and Convergence for Convex Ensemble Learning With Sparsity and Diversity Based on Fixed Point Optimization Neurocomputing (Collaboration)
41.	2017	Article	Almost Sure Convergence of Random Projected Proximal and Subgradient Algorithms for Distributed Nonsmooth Convex Optimization Optimization (Single)
42.	2017	Article	Convergence Rate Analysis of Projected Stochastic Subgradient Method Using Conjugate Gradient-like Direction Linear and Nonlinear Analysis (Collaboration)
43.	2017	Article	Modification of the Krasnosel'skii-Mann Fixed Point Algorithm by Using Three-term Conjugate Gradients Linear and Nonlinear Analysis (Collaboration)
44.	2016	Article	Convergence Analysis of Iterative Methods for Nonsmooth Convex Optimization over Fixed Point Sets of Quasi-Nonexpansive Mappings Mathematical Programming (Single)
45.	2016	Article	Incremental Subgradient Method for Nonsmooth Convex Optimization With Fixed Point Constraints Optimization Methods and Software (Single)
46.	2016	Article	Line Search Fixed Point Algorithms Based on Nonlinear Conjugate Gradient Directions: Application to Constrained Smooth Convex Optimization Fixed Point Theory and Applications (Single)
47.	2016	Article	Optimization for Inconsistent Split Feasibility Problems Numerical Functional Analysis and Optimization (Single)
48.	2016	Article	Proximal Point Algorithms for Nonsmooth Convex Optimization With Fixed Point Constraints European Journal of Operational Research (Single)
49.	2015	Article	Acceleration Method for Convex Optimization over the Fixed Point Set of a Nonexpansive Mapping Mathematical Programming (Single)
50.	2015	Article	Convex Optimization over Fixed Point Sets of Quasi-Nonexpansive and Nonexpansive Mappings in Utility-Based Bandwidth Allocation Problems With Operational Constraints Journal of Computational and Applied Mathematics (Single)
51.	2015	Article	Distributed Convex Optimization Algorithms and Their Application to Distributed Control in Peer-to-Peer Data Storage System Journal of Nonlinear and Convex Analysis (Single)
52.	2015	Article	Modeling User Behavior in P2P Data Storage System IEICE Transactions on Communications (Collaboration)
53.	2015	Article	On Acceleration of the Krasnosel’skii-Mann Fixed Point Algorithm Based on Conjugate Gradient Method for Smooth Optimization Journal of Nonlinear and Convex Analysis (Collaboration)
54.	2015	Article	Parallel Computing Subgradient Method for Nonsmooth Convex Optimization over the Intersection of Fixed Point Sets of Nonexpansive Mappings Fixed Point Theory and Applications (Single)
55.	2015	Article	Parallel Optimization Algorithm for Smooth Convex Optimization over Fixed Point Sets of Quasi-Nonexpansive Mappings Journal of the Operations Research Society of Japan (Single)
56.	2015	Article	Parallel Subgradient Method for Nonsmooth Convex Optimization With a Simple Constraint (Collaboration)
57.	2014	Article	Acceleration Method Combining Broadcast and Incremental Distributed Optimization Algorithms SIAM Journal on Optimization (Collaboration)
58.	2014	Article	Acceleration of the Halpern Algorithm to Search for a Fixed Point of a Nonexpansive Mapping Fixed Point Theory and Applications (Collaboration)
59.	2014	Article	Approximate Solutions to Variational Inequality over the Fixed Point Set of a Strongly Nonexpansive Mapping Fixed Point Theory and Applications (Collaboration)
60.	2014	Article	Distributed Iterative Methods for Solving Nonmonotone Variational Inequality over the Intersection of Fixed Point Sets of Nonexpansive Mappings Pacific Journal of Optimization (Single)
61.	2013/01	Article	Fixed Point Optimization Algorithms for Distributed Optimization in Networked Systems SIAM Journal on Optimization 23(1),pp.1-26 (Single)
62.	2013	Article	Multicast Decentralized Optimization Algorithm for Network Resource Allocation Problems Journal of Nonlinear and Convex Analysis (Single)
63.	2012/08	Article	Computational Method for Solving a Stochastic Linear-Quadratic Control Problem Given an Unsolvable Stochastic Algebraic Riccati Equation SIAM Journal on Control and Optimization 50(4),pp.2173-2192 (Collaboration)
64.	2012/07	Article	Iterative Algorithm for Triple-Hierarchical Constrained Nonconvex Optimization Problem and Its Application to Network Bandwidth Allocation SIAM Journal on Optimization 22(3),pp.862-878 (Single)
65.	2012/06	Article	Conjugate Gradient Methods Using Value of Objective Function for Unconstrained Optimization Optimization Letters 6(5),pp.941-955 (Collaboration)
66.	2012/06	Article	Fixed Point Optimization Algorithm and Its Application to Power Control in CDMA Data Networks Mathematical Programming 133(1),pp.227-242 (Single)
67.	2012/01	Article	Fixed Point Optimization Algorithm and Its Application to Network Bandwidth Allocation Journal of Computational and Applied Mathematics 236(7),pp.1733-1742 (Single)
68.	2012/01	Article	Unicast Decentralized Algorithm for Solving Centralized Optimization Problems in Network Resource Allocation Journal of Nonlinear and Convex Analysis 13(1),pp.31-48 (Single)
69.	2011/12	Article	Decentralized Algorithm for Centralized Variational Inequalities in Network Resource Allocation Journal of Optimization Theory and Applications 151(3),pp.525-540 (Single)
70.	2011/06	Article	Fixed Point Optimization Algorithms for Network Bandwidth Allocation Problems with Compoundable Constraints IEEE Communications Letters 15(6),pp.596-598 (Collaboration)
71.	2011/03	Article	Iterative Algorithm for Solving Triple-Hierarchical Constrained Optimization Problem Journal of Optimization Theory and Applications 148(3),pp.580-592 (Single)
72.	2011/03	Article	Three-term Conjugate Gradient Method for the Convex Optimization Problem over the Fixed Point Set of a Nonexpansive Mapping Applied Mathematics and Computation 217(13),pp.6315-6327 (Single)
73.	2010/08	Article	A New Iterative Algorithm for the Variational Inequality Problem over the Fixed Point Set of a Firmly Nonexpansive Mapping Optimization 59(6),pp.873-885 (Single)
74.	2010/01	Article	On an Ergodic Iteration Method for the Convex Optimization Problem over the Fixed Point Set Pacific Journal of Optimization 6(1),pp.187-199 (Single)
75.	2009/09	Article	Strong Convergence for an Iterative Method for the Triple-Hierarchical Constrained Optimization Problem Nonlinear Analysis: Theory, Methods & Applications 71(12),pp.1292-1297 (Single)
76.	2009/07	Article	Projection Method for Variational Inequality Problems for Monotone Operators Proceedings of the Asian Conference on Nonlinear Analysis and Optimization pp.87-95 (Single)
77.	2009/03	Article	A Use of Conjugate Gradient Direction for the Convex Optimization Problem over the Fixed Point Set of a Nonexpansive Mapping SIAM Journal on Optimization 19(4),pp.1881-1893 (Collaboration)
78.	2009/03	Article	An Ergodic Algorithm for the Power-Control Games for CDMA Data Networks Journal of Mathematical Modelling and Algorithms 8(1),pp.1-18 (Collaboration)
79.	2009/03	Article	Hybrid Conjugate Gradient Method for a Convex Optimization Problem over the Fixed-point Set of a Nonexpansive Mapping Journal of Optimization Theory and Applications 140(3),pp.463-475 (Single)
80.	2009/02	Article	A Subgradient-type Method for the Equilibrium Problem over the Fixed Point Set and Its Applications Optimization 58(2),pp.251-261 (Collaboration)
81.	2008/06	Article	Strong Convergence Studied by a Hybrid Type Method for Monotone Operators in a Banach Space Nonlinear Analysis: Theory, Methods & Applications 68(12),pp.3679-3688 (Collaboration)
82.	2008/03	Article	Weak Convergence of a Projection Algorithm for Variational Inequalities in a Banach Space Journal of Mathematical Analysis and Applications 339(1),pp.668-679 (Collaboration)
83.	2007/11	Article	Relations between Equations of Set-valued Operators and Equilibrium Problems Proceedings of Nonlinear Analysis and Convex Analysis pp.163-172 (Collaboration)
84.	2007/09	Article	Strong Convergence of Halpern's Sequence for Accretive Operators in a Banach Space PanAmerican Mathematical Journal 17(3),pp.75-89 (Collaboration)
85.	2006/03	Article	Weak Convergence of an Iterative Sequence for Accretive Operators in Banach Spaces Fixed Point Theory and Applications 2006(35390),pp.13 pages (Collaboration)
86.	2006/01	Article	Strong Convergence Theorem by a Hybrid Method for Nonlinear Mappings of Nonexpansive and Monotone Type and Applications Advances in Nonlinear Variational Inequalities 9(1),pp.1-10 (Collaboration)
87.	2006/01	Article	Weak Convergence Theorems by Cesaro Means for Nonexpansive Mappings and Inverse-strongly Monotone Mappings Journal of Nonlinear and Convex Analysis 7(1),pp.105-113 (Collaboration)
88.	2005/05	Article	Strong Convergence Theorems for Nonexpansive Mappings and Inverse-strongly Monotone Mappings Nonlinear Analysis: Theory, Methods & Applications 61(3),pp.341-350 (Collaboration)
89.	2004/10	Article	Strong and Weak Convergence Theorems by a Hybrid Steepest Descent Method in a Hilbert Space Proceedings of Nonlinear Analysis and Convex Analysis pp.115-130 (Collaboration)
90.	2004/09	Article	Strong Convergence Theorems by a Hybrid Method for Nonexpansive Mappings and Inverse-strongly Monotone Mappings Proceedings of Fixed Point Theory and Applications pp.81-94 (Collaboration)
91.	2004/06	Article	Approximation of Solutions of Variational Inequalities for Monotone Mappings PanAmerican Mathematical Journal 14(2),pp.49-61 (Collaboration)
92.	2004/06	Article	Strong Convergence Theorems for Nonexpansive Nonself-mappings and Inverse-strongly Monotone Mappings Journal of Convex Analysis 11(1),pp.69-79 (Collaboration)
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■ Conference Presentations

1.	2019/08/27	Fixed Point Algorithms and Their Applications (The International Conference on Nonlinear Analysis and Convex Analysis–International Conference on Optimization: Techniques and Applications)
2.	2018/11/06	Decentralized Optimization and Its Applications (The 6th Asian Conference on Nonlinear Analysis and Optimization)
3.	2008/12/02	Iterative Methods for Variational Inequality Problems over Fixed Point Sets
4.	2008/07/02	Iterative Algorithms for the Hierarchical Optimization Problem (Fifth World Congress of Nonlinear Analysts)

■ Academic Qualifications

2002/04～2005/03

〔Doctorial Course〕 Department of Mathematical and Computing Sciences, Graduate School of Information Science and Engineering, Tokyo Institute of Technology, Completed, Ph.D. (Science)

■ Career History

1.	2019/04～	Meiji University Department of Computer Science Professor
2.	2013/04～2019/03	Meiji University Department of Computer Science Associate Professor
3.	2008/10～2013/03	Kyushu Institute of Technology Network Design Research Center Associate Professor
4.	2007/04～2008/09	Japan Society for the Promotion of Science (PD) Research Fellow
5.	2005/04～2007/03	Tokyo Institute of Technology Department of Mathematical and Computing Sciences Research Associate

■ Major Subjects

Department of Computer Science

■ Academic Associations Membership

1.	～	Mathematical Optimization Society
2.	～	Society for Industrial and Applied Mathematics (SIAM)
3.	～	The Operations Research Society of Japan

■ Social Activities

1.	2019	Editorial Board of Applied Set-Valued Analysis and Optimization
2.	2019	Editorial Board of Electronics
3.	2019	Editorial Board of Numerical Algorithms
4.	2018	Editorial Board of Advances in the Theory of Nonlinear Analysis and its Applications
5.	2017	Editorial Board of Journal of Nonlinear Functional Analysis
6.	2016～2018	Editorial Board of International Journal of Statistics: Advances in Theory and Applications
7.	2016	Editorial Board of Pacific Journal of Optimization
8.	2015	Editorial Board of Linear and Nonlinear Analysis
9.	2013/04	Editorial Board of Journal of Applied Mathematics and Computing
10.	2013/04	Editorial Board of The Scientific World Journal
11.	2013/04	Program Committee of International Symposium on Intelligent Informatics
12.	2013	Editorial Board of Journal of Fixed Point Theory
13.	2012/04	Editorial Board of Algorithm Letters
14.	2012/04	Program Committee of Workshop on Computational Optimization
15.	2009/04～2011/03	Program Committee of Workshop on Information Network Design
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■ Web Sites

Welcome to Mathematical Optimization Laboratory!

■ Email Addresses

■ Current Specialized Field

Theory of informatics, Basic analysis, Computational science