Kyushu University/Seoul National University - Statistics DS workshop 2025

Supported by Kyushu University and Seoul National University & IDIS.

About this workshop

Organizers: Won Chang (Seoul National University), Yuichi Goto (Kyushu University), Gunwoong Park (Seoul National University & IDIS), and Koji Tsukuda (Kyushu University).

Round 1 (Seoul National University, Seoul, Korea)

Date: October 20th, 2025. 13:00-17:30 KST.
Venue: Seoul National University Building 25 Room 405, 1, Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea 08826, Korea

Round 2 (Kyushu University, Fukuoka, Japan)

Date: November 10th, 2025. 13:00-17:35 JST.
Venue: IMI Auditorium W1-D 413 (building: West 1D; room number: 413), Ito Campus, Kyushu University. 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.

This workshop is held as an activity of "Program to Promote the Formation of Researcher Networks with Candidate Universities for Strategic Partnerships" of Kyushu University.

Program (Round1; Seoul National University)

	Speaker	Title
13:00~13:10		Opening (Chair: Won Chang)
13:10~13:40	Hyerim Lee	Inverse Computer Model Calibration Approach with Conditional Variational Auto-encoder
13:40~14:10	Takato Hashino	The Shannon Entropy Estimation via the Pitman--Yor Process
14:10~14:40	Soma Nikai	Robust and Resistant M-Estimators for Scatter Matrices Focusing on Precision Structures
	break
15:00~15:45	Koji Tsukuda	Asymptotic distribution of the trace of the products of four high-dimensional Wishart matrices and its application
	break
16:00~16:45	Jisu Kim	Topological Data Analysis and Machine Learning (invited talk)
	break
17:00~17:30		Open Discussion

Program (Round2; Kyushu University)

	Speaker	Title
13:00~13:10		Opening (Chair: Yuichi Goto)
13:10~13:35	Kohei Kawamoto	Spectral Clustering Algorithm for the Gaussian Mixture Model
13:35~14:00	Euijoing Song	Outlier-Robust Approach for High-dimensional Linear Structural Equation Models
	break
14:20~14:45	Junseok Lee	Constructing Conformal Predictive Distributions via Kernel-Localized Residuals
14:45~15:10	Seungsu Han	Stick-Breaking Mixture Normalizing Flows with Component-Wise Tail Adaptation for Variational Inference
	break
15:25~16:05	Won Chang	A Likelihood-Free Approach to Ice Model Emulation and Calibration Using Deep Diffusion Models
	break
16:25~17:05	Kou Fujimori	Two step estimations via the Dantzig selector for models of stochastic processes with high-dimensional parameters (invited talk)
17:05~17:35		Open Discussion

last updated date: October 14th, 2025.