RIKEN Interdisciplinary Theoretical and Mathematical Sciences Program

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Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS) is an international research program at RIKEN. It facilitates close collaborations among researchers from different disciplines in theoretical, mathematical and computational sciences. The ultimate goal of iTHEMS is to unravel the mystery of the Universe, matter, and life, as well as to solve key problems in modern society through interdisciplinary approaches.

About iTHEMS

Upcoming Events

Seminar

Tomorrow

Biology Seminar

Constrained evolution of animal embryogenesis

July 8 at 10:00 - 11:00, 2020

Dr. Yui Uchida (RIKEN Special Postdoctoral Researcher, Laboratory for Multiscale Biosystem Dynamics, RIKEN BDR)

Animals have developed a great variety of morphologies during the course of evolution. Despite this, phylogeny-specific features have sometimes been maintained for hundreds of millions of years, sugge...more

Venue: via Zoom

Event Official Language: English

Seminar

iTHEMS theoretical physics seminar

Complex Langevin study of an attractively interacting two-component Fermi gas in 1D with population imbalance

July 10 at 13:30 - 14:30, 2020

Dr. Shoichiro Tsutsui (Postdoctral Researchers, Quantum Hadron Physics Laboratory, RIKEN)

We investigate an attractively interacting two-component Fermi gas in 1D described by the Gaudin-Yang model with population imbalance. While the Gaudin-Yang model is known as a solvable model based on...more

Venue: via Zoom

Event Official Language: English

Seminar

DMWG seminar

Search for ultralight dark matter with laser interferometric gravitational wave detectors

July 13 at 10:00 - 11:00, 2020

Dr. Yuta Michimura (assistant professor, Department of Physics, The University of Tokyo)

Venue: via Zoom

Event Official Language: English

Seminar

Math Seminar

Topological data analysis from a practical and mathematical perspective

July 15 at 16:00 - 18:10, 2020

Dr. Yuichi Ike (Researcher, Artificial Intelligence, FUJITSU LABORATORIES LTD.)

1. Topological data analysis and its applications In this talk, I will explain some methods in topological data analysis (TDA) and their applications. First I recall persistent homology, which is a ...more

Venue: via Zoom

Event Official Language: English

Colloquium

MACS Colloquium Supported by iTHEMS SUURI-COOL (Kyoto)

The 12th MACS colloquium

July 17 at 15:00 - 18:30, 2020

Prof. Yasuaki Hiraoka (Professor, Institute for Advanced Study, Kyoto University / Team Leader, Center for Advanced Intelligence Project, RIKEN)
Prof. Motomu Tanaka (Professor, Heidelberg University / Professor, Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University)

15:00〜16:00 「トポロジカルデータ解析:理論と応用」平岡 裕章 博士(京都大学、理化学研究所) 16:15〜17:15 令和2年度 MACS 学生説明会 17:30〜18:30 「臨床医学の課題に切り込む数物科学」田中 求 博士(ハイデルベルク大学、京都大学)

Venue: via Zoom

Event Official Language: Japanese

Seminar

Biology Seminar

Human Time vs. Mouse Time in Embryonic Development

July 17 at 16:00 - 17:00, 2020

Dr. Miki Ebisuya (Group Leader, European Molecular Biology Laboratory, Barcelona, Spain)

Different species have different tempos of development: larger animals tend to grow more slowly than smaller animals. My group has been trying to understand the molecular basis of this interspecies di...more

Venue: via Zoom

Event Official Language: English

Seminar

DMWG seminar

DMWG special seminar : “The result of the XENON1T experiment and its implications”

July 22 at 15:30 - 17:00, 2020

Dr. Masaki Yamashita (Associate Professor, Cosmic-ray Research Division, Institute for Space–Earth Environmental Research, Nagoya University)

Venue: via Zoom

Event Official Language: Japanese

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Opportunities

Seeking a Research Scientist or Postdoctoral Researcher (CPR-PS1903) *Prediction Science

Deadline: Open until filled

The successful candidate will conduct research to pioneer the new “Prediction Science” and to develop the general theory of prediction. The specific research examples include application of data assimilation to new areas, generalization of data assimilation among multiple areas, and applied mathematics of uncertainty quantification (UQ) and topological data analysis. In this project, we collaborate with laboratories in environmental science fields (weather, climate, marine ecology) and life science fields (cell biology, medicine) for specific problems for prediction, and develop the general theory of prediction in collaboration with pure and applied mathematicians and AI and statistical scientists. We will develop new mathematical theories and methods which will serve as a basis for the new “Prediction Science”, apply these new theories and methods to various application areas, and bring virtuous feedback between theoretical developments and application studies.

Seeking a Postdoctoral Researcher or Research Scientist (W20014) *particle physics and quantum gravity

Deadline: July 30, 2020

iTHEMS is seeking postdoctoral researcher(s)/research scientist(s) in the field of particle physics and quantum gravity. Successful applicant(s) are expected not only to pursue top-level researches in their own field but also to lead interdisciplinary collaborations among different fields such as mathematics, physics, chemistry, life sciences, engineering, computational sciences, information sciences, and social sciences, under the concept of iTHEMS. In particular, we welcome applications from young researchers who are interested in exploring the properties of spacetime and matter under extreme conditions such as black holes and the early universe, as well as the theory of quantum gravity in a broader sense.

Seeking a Postdoctoral Researcher or Research Scientist (W20001) *condensed matter theory

Deadline: October 31, 2020

iTHEMS is seeking postdoctoral researcher(s)/research scientist(s) in theoretical condensed matter physics. Successful applicant(s) are expected not only to pursue top-level researches in their own field but also to lead interdisciplinary collaborations among different fields such as mathematics, physics, chemistry, life sciences, engineering, computational sciences, information sciences, and social sciences, under the concept of iTHEMS. This time, we encourage junior applicants who have high research potential in theoretical studies of topological states of matter, Majorana modes, topological quantum computing, mathematical physics, non-Hermitian systems, and related fields.

Seeking a Postdoctoral Researcher or Research Scientist (W20002) *machine learning

Deadline: October 31, 2020

iTHEMS is seeking postdoctoral researcher(s)/research scientist(s) in the field of machine learning. Successful applicant(s) are expected not only to pursue top-level researches in their own field but also to lead interdisciplinary collaborations among different fields such as mathematics, physics, chemistry, life sciences, engineering, computational sciences, information sciences, and social sciences, under the concept of iTHEMS. This time, we encourage junior applicants who have high research potential in theories and applications of machine learning.

More opportunities

Latest News

2020-07-02

Paper of the Week

Week 1 of July

Title: Higher-form symmetries and 3-group in axion electrodynamics Author: Yoshimasa Hidaka, Muneto Nitta, Ryo Yokokura arXiv: http://arxiv.org/abs/2006.12532v1 Title: Monte-Carlo simulations of ...more

2020-07-02

Seminar Report

Biology Seminar by Dr. Shingo Gibo on July 1, 2020

On 1 July, Shingo Gibo gave a talk at the iTHEMS Biology Seminar. He talked about his research on using mathematical approaches to understand biological oscillations, such as circadian rhythms. His wo...more

2020-07-01

Seminar Report

Math seminar by Dr. Ryusuke Hamazaki on Jun 24, 2020

The iTHEMS Math seminar entitled "Universal Error Bound for Constrained Quantum Dynamics" by Dr. Ryusuke Hamazaki, was held on 24 Jun. In the first part, the speaker first introduced two physical ...more

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