PROGRAM


August 3-5, 2026 at Nagaoka University and Niigata University


August 3 (Monday) / Venue: Nagaoka University

Time Speakers/Titles Chair
13:30-Opening Address (Prof. Tamaki Tanaka on behlf of the Organizers)
13:45-14:15 Lai-Jiu Lin Tamaki Tanaka
Generalize Dancs-Hegedus-Medvegyev's Principle with Applications
14:15-14:45 Chien-Chang Yen
A Representation of Approximation Functions as Convolutional Neural Networks and Probing the Corresponding Extension
14:45-15:00Tea break
15:00-15:30 Tamaki Tanaka Kazutaka Sakai
Semicontinuity of Composite Function via the Inheritance Mechanism on the Semicontinuity of Set-Valued Maps
15:30-16:00 Tone-Yau Huang
Optimal Policy Problem of Bipedal Walker Environment in OpenAI Gymnasium using Deep Reinforcement Learning
19:20-Nagaoka Fireworks Festival 19:20– for interested persons

August 4 (Tuesday) / Venue: the Library Hall at Niigata University

Time Speakers/Titles Chair
10:20-Opening Address at Niigata Univ (Dean Prof.Eiichi Takazawa, Dean Prof.Jein-Shan Chen, Niigata Tourism Goodwill Ambassador)
10:50-11:20 Jein-Shan Chen Tamaki Tanaka
Smoothing Functions for Sparse Optimization: A Unified Framework
11:20-11:50 Syuuji Yamada
A Global Optimization Algorithm for Reverse Convex Quadratic Programming Problems and Its Applications
11:50-13:30Photo Session (all participants together on the stage after the morning session T1)
Lunch time
13:30-14:00 Mei-Heng Yueh Jein-Shan Chen
Variational Framework for Distortion Control in Surface Parameterizations
14:00-14:30 Hsiu-Chuan Wei
The Role of Angiogenesis in Mathematical Modeling of Triple-Negative Breast Cancer
14:30-15:00 Chung-Chien Hong
A Method for Establishing an Optimal Workforce Dispatching Model Balancing Both Psychological and Physiological Conditions
15:00-15:15Tea break
15:15-15:45 Takanori Ibaraki Tone-Yau Huang
Shrinking Projection Methods with Extended Allowable Ranges for a Family of Quasi-Nonexpansive Type Mappings
15:45-16:15 Yu-Chen Shu
Solving Quadratic Unconstrained Binary Optimization by Digital and GPU Annealers with AI
16:15-16:45 Wei-Shih Du
New Set-Valued Ekeland's Variational Principle for Essential Distances with Applications
17:00-we will go to Hot spring “Jonnobi” and take dinner and Spa for 17:30–19:45.
A hotel shuttle bus service to the hotel from “Jonnobi”; departure at 20:00.

August 5 (Wednesday) / Venue: Large Seminar Room (5th floor) in the Science Building at Niigata University

Time Speakers/Titles Chair
09:30-10:00 Chih-Sheng Chuang Jen-Yen Lin
Der-Chiang Li
Some Algorithms for Generalized Inverse Mixed Variational Inequalities
10:00-10:30 Cheng-Shu You
An Entropy-Weighted Local Intensity Clustering Model for Image Segmentation under Intensity Inhomogeneity
10:30-11:00 Shunsuke Kajiba
Strong Convergence Theorems for Zero Points of Maximal Monotone Operators and its Applications
11:00-11:15Tea break
11:15-11:45 Ti-Wen Lu Takanori Ibaraki
Exploring the Impact of Structural Dysconnectivity on Cognitive Computation: A Connectome-informed Reservoir Computing Study of Schizophrenia
11:45-12:15 Xuefeng Liu
Matrix Optimization Problems with Maximum-Norm Constraints and Their Application to Finite Element Interpolation Error Estimates
12:30-13:30Lunch time
13:30-14:00 Bin-Wei Hsu Xuefeng Liu
A Closed-Form Distributionally Robust Decision Rule under Conformally Calibrated Wasserstein Ambiguity Sets
14:00-14:30 Yutaka Saito
Cone-Order Regression from Preference Data and Existence of its Solutions
14:30-15:00 Yuto Ogata
Numerical Experiments for Estimating Set Inequalities via Sublinear Set Functionals with SetOptTools
15:00-15:10Tea break
15:10-15:40 Yousuke Araya Yuto Ogata
A Minimax Theorem for Set-Valued Maps and its Application to Multi-Objective Uncertainty
15:40-16:05 Takuto Kajimura
Proximal point algorithm on geodesic spaces with a new resolvent operator
16:05-16:30 Ryota Iwamoto
A Framework of Smoothing Penalty Methods for Convex Second-Order Cone Programming: Fundamentals and Application
16:30-16:35Closing Address (Shuttle bus service: departure at 16:50 around)
18:30-Banquet at some restaurant near Niigata station