[Date]:2026/01/21～2026/01/23
Applied Probability Symposium Research on Probabilistic Models as the Foundation of Society 5.0｜2025a040
CATEGORY:Events
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Overview
- How to hold: Hybrid Meeting (In-person/Zoom)
- Venue: Kyushu University Nishijin Plaza
- Main language:Japanese
- Type/Category: Grant for General Research-Workshop（Ⅱ）
- Title of Research Project:Applied Probability Symposium Research on Probabilistic Models as the Foundation of Society 5.0
- Principal Investigator:Hiroyuki Masuyama（Faculty of Economics and Business Administration, Tokyo Metropolitan University/ professor）
- Research Period: January 21, 2026.-January 23, 2026.
- Open to the Public: January 21, 2026.-January 23, 2026.
- Details of the Research Plan: https://joint2.imi.kyushu-u.ac.jp/en_research_chooses/view/2025a040
Program
Webpage:https://sites.google.com/view/appliedprobabilitysymp/top
January 21, 2026.
12:15
Opening
Hiroyuki Masuyama（Tokyo Metropolitan University）
Session 1（12:20-13:20）
Chair：Akifumi Kira（Kyusyu University）
12:20
Establishing Legal Causation through Probability
Shingo Murakami（Kyushu University）
12:40
Functional limit theorems for elephant random walks on general periodic structures
Shuhei Shibata（Kyushu University）
13:00
Proposal of a Softmax Policy Using Action-Value Gaps in Q-Learning
＊SUN JONGHYUK，Akifumi Kira（Kyushu University）
Session 2（13:30-14:50）
Chair：Katsuhisa Ouchi（Shinshu University）
13:30
Operational Analysis of Bike-Sharing-System Using a Closed Queueing Network Mode
＊Keishin Tsutsumi，Phung-Duc Tuan（University of Tsukuba）
13:50
Quantifying tail behavior in load balancing systems with dispatching delays
＊Kazuma Abe, Tuan Phung-Duc（University of Tsukuba）
14:10
Modeling and Implementation of Efficient Batch Inference for Large Language Models
＊Hiroki Nakai, Yoshiaki Inoue, Tetsuya Takine（The University of Osaka）
14:30
Real-Time State Monitoring via Linear Estimation for Wide-Sense Stationary Processes
＊Ken Miyamoto, Yoshiaki Inoue, and Tetsuya Takine（The University of Osaka）
Session 3（15:00-16:20）
Chair：Atsushi Inoie（Kanagawa Institute of Technology）
15:00
Mathematical Analysis of Load Balancing Models for Heterogeneous Parallel Server Systems in Cloud Environments
＊Chihaya Sekita，Phung-Duc Tuan（University of Tsukuba）
15:20
Analysis of Multi-Server Queueing Models with Two Power-Saving Modes
＊Yusei Koyama，Phung-Duc Tuan（University of Tsukuba）
15:40
Numerical computation of the number of overlapping customers in the CTBP/G/∞ queue
＊Kaito Hayashi, Yoshiaki Inoue, Tetsuya Takine（The University of Osaka）
16:00
A Matrix-Exponential Approach to the Analysis of the AoI in a Multi-Source M/M/c/K Queue
＊Raiki Ito, Yoshiaki Inoue, Tetsuya Takine（The University of Osaka）
Session 4（16:30-18:00）
Chair：Yoshiaki Inoue（The University of Osaka）
16:30
An extended calculation method of the stationary distribution of hybrid systems with batch arrivals
＊Yuki Ino, Ken’ichi Kawanishi（Gunma University）
17:00
Excluded Volume Effect in GI/G/s Queues
＊Takako Hoshiyama（IE Tech – research institute），Katsuhiro Nishinari（The University of Tokyo）
17:30
Regularity properties of regular conditional distributions of correspondences and applications to large games
Motoki Otsuka（University of Tsukuba）
January 22, 2026.
Session 5（9:30-11:00）
Chair：Yutaka Sakuma（National Defense Academy of Japan）
9:30
Which is more effective in a multi-window queueing system: adding service windows or guiding customers?
Daichi Yanagisawa（The University of Tokyo）
10:00
Pricing policy and queue-length disclosure in on-demand service platforms
＊Donghao Zhu （The Institute of Statistical Mathematics）, Stefan Minner, Martin Bichler （Technical University of Munich）
10:30
Statistical Limits of Quantum Optimization from a Scale-Free No Free Lunch Perspective
Hiroyuki Masuyama（Tokyo Metropolitan University）
Session 6（11:10-12:10）
Chair：Itsuki Watanabe（Oita University）
11:10
Investment in Alternative Projects under Regime Switching
＊Zhongli Wang（The University of Osaka），CHEN Pengzhan（University of Science and Technology of China），Michi Nishihara（The University of Osaka）
11:40
Optimal investment timing with a product life cycle
Michi Nishihara（The University of Osaka）
Plenary１（13:30-14:30）（60分）
Chair：Hiroyuki Masuyama（Tokyo Metropolitan University）
13:30
Mathematical Optimization in Enterprises: Business and Fundamental Research
Ryunosuke Hamada（DENSO CORPORATION）
Session 7（14:40-15:40）
Chair：Masayuki Horiguchi (Kanagawa University)
14:40
Improved Newton Method using Sketching Matrices in Markov Decision Processes
＊Kento Nitta, Akifumi Kira（Kyushu University）
15:00
Invariant Imbedding and the Markov property in multistage decision problems
＊Masahiko Sakaguchi(Kochi University), Masayuki Horiguchi(Kanagawa University)
Session 8（15:50-16:50）
Chair：Wang Qi（Nagasaki Institute of Applied Science）
15:50
Topological Statistics for Detecting Structural Changes in High-Dimensional Data
Toshiyuki Nakayama（Shunan University）
16:20
Queueing games with time reservation systems
＊Takuma Kawahara, Akihisa Murotani, Emiko Fukuda (Institute of Science Tokyo), Yutaka Sakuma (National Defense Academy of Japan)
Plenary 2（17:00-18:00）
Chair：Hiroyuki Masuyama（Tokyo Metropolitan University）
17:00
Decision Making under Uncertainty with Latent Variable Models
Tetsuro Morimura（CyberAgent）
18:30
Banquet
January 23, 2026.
Session 9（9:30-10:30）
Chair：Ken’ichi Kawanishi（Gunma University）
9:30
Analysis of Age of Information in Status Update Systems with Source-Aware Packet Management
＊Taichi Hamano, Phung-Duc Tuan（University of Tsukuba）
9:50
Building a Digital Twin for Crowd Control in an Aquarium by Using Mt/G/∞ Model with State-Dependent Service Time Distributions
＊Takuto Ikeda, Sakurako Tanida (The University of Tokyo), Shigeto Nozaki (Kaiyukan), Daichi Yanagisawa, Katsuhiro Nishinari, Claudio Feliciani (The University of Tokyo)
10:10
A Partitioned Approximation Algorithm for the Analysis of Two-Lane TASEP
Keigo Misawa （Institute of Science Tokyo）
Session 10（10:40-12:10）
Chair：Satoshi Mizutani（Aichi Institute of Technology）
10:40
A Note on Performance Evaluation of Drone Delivery Systems Using the M/G/s Model
＊Junjun Zheng, Hiroyuki Okamura, Tadashi Dohi（Hiroshima University）
11:10
A Note on Multivariate Phase-Type Distributions Using the Bernstein Copula
＊Hiroyuki Okamura, Junjun Zheng, Tadashi Dohi（Hiroshima University）
11:40
Extended Maintenance Policy for a System with Operating and Suspension Periods
＊Satoshi Mizutani, Toshio Nakagawa（Aichi Institute of Technology）
Session 11（12:20-13:00）
Chair：Hiroyuki Okamura（Hiroshima University）
12:20
Statistical modeling for count data using beta-negative binomial distribution
Masao Ueki (Nagasaki University)
13:00
Closing
Hiroyuki Masuyama（Tokyo Metropolitan University）
Registration
Advance registration is required.
(Registration also requires Organizing Committee members and speakers.)
Please complete the registration form by Sunday, January 18th.
＼Please go to the following link for registration.／