Programs

International Symposium on “Stochastic Processes and Complex Systems”

Information

As one of the activities in the TFC Thematic Program “Uncovering Causality in Our Complex World” from May 2025 through February 2026, the international symposium “Stochastic Processes and Complex Systems” brings together leading experts as well as young researchers in probability theory, focusing on the topics including: stochastic analysis and singular phenomena; random geometry; and random walks and diffusions in random media.

Date

Monday, August 25, 2025 – Friday, August 29, 2025

Venue

TOKYO ELECTRON House of Creativity 3F, Lecture Theater, Katahira Campus, Tohoku University [Access]

Overseas Invited Speakers

Eleanor Archer (Université Paris–Dauphine)
Zhen–Qing Chen (University of Washington)
Cristina Costantini (University of Chieti–Pescara)
Martin Hairer (EPFL / Imperial College London)
Jack Hanson (The City College of New York)
Lisa Hartung (Johannes Gutenberg University Mainz)
Saraí Hernández–Torres (National Autonomous University of Mexico)
Xue–Mei Li (EPFL / Imperial College London)
Jan Maas (Institute of Science and Technology Austria)
Grégory Miermont (École Normale Supérieure de Lyon)
Ivan Nourdin (University of Luxembourg)
Xicheng Zhang (Beijing Institute of Technology)

Domestic Invited Speakers

Masahisa Ebina (Kyushu University)
Masanori Hino (Kyoto University)
Masato Hoshino (Institute of Science Tokyo)
Stefan Junk (Gakushuin University)
Hiroshi Kawabi (Keio University)
Shuta Nakajima (Meiji University)
Fumihiko Nakano (Tohoku University)
Makoto Nakashima (Nagoya University)
Ryoichiro Noda (Kyoto University)
Makiko Sasada (The University of Tokyo)
Yuichi Shiozawa (Doshisha University)
Daisuke Shiraishi (Kyoto University)
Ryoji Takano (Osaka University)
Toshihiro Uemura (Kansai University)
Satomi Watanabe (Kyoto University)

Registration

Registration deadline: Sunday, June 29, 2025 (23:59 JST)
– Closed

Abstract

The abstracts are available here.
– Download [PDF]

Time Schedule

Please see below for detailed schedule.
https://sites.google.com/view/workshop-spcs

Monday, August 25, 2025
09:15 – 10:00
Xue–Mei Li (EPFL and Imperial College London)
The Cubic Stochastic Nonlinear Wave Equation with Rougher–Than–White Noise
10:00 – 10:30
Coffee Break
10:30 – 11:15
Yuichi Shiozawa (Doshisha University)
Volume growth, big jump, and essential spectrum for regular Dirichlet forms
11:30 – 12:15
Zhen–Qing Chen (University of Washington)
Quantitative homogenization for time–dependent random conductance models with stable–like jumps
12:15 – 13:45
Lunch time
13:45 – 14:30
Toshihiro Uemura (Kansai University)
Convergence of Smooth Measures and PCAFs
14:45 – 15:30
Eleanor Archer (Université Paris–Dauphine)
Scaling limit of the steady state cluster
15:30 – 16:00
Coffee Break
16:00 – 16:25
Ryoichiro Noda (RIMS)
Convergence of collision measures
16:30 – 16:55
Masahisa Ebina (Kyushu University)
Local central limit theorems for Wiener chaos
17:00 – 17:25
Ryoji Takano (The University of Osaka)
Transportation cost inequalities for BPHZ models
Tuesday, August 26, 2025
09:15 – 10:00
Jan Maas (ISTA)
Kinetic Optimal Transport
10:00 – 10:30
Coffee Break
10:30 – 11:15
Lisa Hartung (Johannes Gutenberg University Mainz)
The mean field stubborn voter model
11:30 – 12:15
Makoto Nakashima (Nagoya University)
Martingale measure associated with the critical 2d stochastic heat flow
12:15 – 13:45
Lunch time
13:45 – 14:30
Cristina Costantini (University of Chieti–Pescara)
Obliquely reflecting diffusions in curved, nonsmooth domains
14:45 – 15:30
Hiroshi Kawabi (Keio University)
Strong uniqueness of Dirichlet operators related to stochastic quantization for the exp(Φ)_{2}–model
15:30 – 15:45
Short Break
15:45 – 17:45
Poster Session
(15:45–16:15 Flash talks)
Wednesday, August 27, 2025
09:15 – 10:00
Ivan Nourdin (University of Luxembourg)
Limit Theorems for Additive Functionals of Fractional Brownian Motion
10:00 – 10:30
Coffee Break
10:30 – 11:15
Masanori Hino (Kyoto University)
Fractional binomial distributions induced by the generalized binomial theorem and their applications
11:30 – 12:15
Jack Hanson (The City College of New York)
Robust construction of the incipient infinite cluster in high dimensional critical percolation
18:00 – 20:00
Conference dinner
Thursday, August 28, 2025
09:15 – 10:00
Xicheng Zhang (Beijing Institute of Technology)
Heat kernel estimates for nonlocal kinetic operators
10:00 – 10:30
Coffee Break
10:30 – 11:15
Makiko Sasada (The University of Tokyo)
HARMONIC PERIOD MATRICES AND DIFFUSION MATRICES ASSOCIATED TO LARGE–SCALE INTERACTING SYSTEMS : TOWARDS A UNIVERSAL THEORY OF THE HYDRODYNAMIC LIMIT
11:30 – 12:15
Masato Hoshino (Institute of Science Tokyo)
Random models on regularity–integrability structures
12:15 – 13:45
Lunch time
13:45 – 14:30
Martin Hairer (EPFL and Imperial College London)
Spectral gap for the infinite–volume Phi^4_3 measure at high temperature
14:45 – 15:30
Saraí Hernández–Torres (UNAM)
Exceptional points in the three–dimensional uniform spanning tree scaling limit
15:30 – 16:00
Coffee Break
16:00 – 16:45
Daisuke Shiraishi (Kyoto University)
Chemical and resistance exponents for 4D simple random walk
17:00 – 17:25
Satomi Watanabe (Kyoto University)
Collisions of simple random walks on the range of a four–dimensional simple random walk
Friday, August 29, 2025
09:15 – 10:00
Shuta Nakajima (Meiji University)
Moderate deviations in First passage percolation for bounded weights
10:00 – 10:30
Coffee Break
10:30 – 11:15
Stefan Junk (Gakushuin University)
Equivalence of Fluctuations of Discretized SHE and KPZ Equations in the Subcritical Weak Disorder Regime
11:30 – 12:15
Fumihiko Nakano (Tohoku University)
Statistical properties of some quantum disordered systems
12:15 – 13:45
Lunch time
13:45 – 14:30
Grégory Miermont (ENS de Lyon)
Scaling limits of random planar maps large faces
16:00 – 17:45
Special Lecture by Fields Medalist “The Hidden Mathematics of Chance: on Coin Tosses, Atoms, and Forest Fires”

Advisory Board

Yoshiaki Maeda
(Tohoku University)

Organizers

Takashi Kumagai
(Waseda University, Chair)

Yoshihiro Abe
(Tohoku University)

Yuu Hariya
(Tohoku University)

Seiichiro Kusuoka
(Kyoto University)

Tomoko Takemura
(Nara Women’s University)

Local Organizers

Yuu Hariya
(Tohoku University, Chair)

Yoshihiro Abe
(Tohoku University)

Kouhei Matsuura
(University of Tsukuba)

Masaki Wada
(Fukushima University)

Supported by

  • Tokyo Club
  • JSPS KAKENHI Grant Numbers 22H00099 and 23KK0050 (PI: T. Kumagai) , 23K20801 (PI: S. Kusuoka) , 22K03353 (PI: T. Takemura) , 22K13927 (PI: Y. Abe)

Poster

Download [PDF]

For more information, please visit the following website:

https://sites.google.com/view/workshop-spcs