# News

2021-07-30

Seminar Report

## iTHEMS Biology Seminar by Prof. Mayumi Seto on July 29, 2021

On July 29th, Mayumi Seto (Nara Women's University) gave a talk on the application of thermodynamics to microbial modeling. She first introduced some important concepts of adenosine tri-phosphate (ATP...more

2021-07-29

Event Schedule

## Events for the 1st week of August 2021

Wednesday, August 4, 13:30- Information Theory SG Seminar Friday, August 6, 12:30- Coffee Meeting Friday, August 6, 16:00- iTHEMS Math Seminar

2021-07-29

Paper of the Week

## Week 5, July 2021

Title: A Fundamental Plane in X-ray Binary Activity of External Galaxies Author: Yoshiyuki Inoue, Kiyoto Yabe, Yoshihiro Ueda arXiv: http://arxiv.org/abs/2107.07775v1 Title: Three-body crossover ...more

2021-07-29

Research News

## RIKEN RESEARCH: Smoking-gun evidence for neutrinos’ role in supernova explosions

Supernova explosions are sustained by neutrinos from neutron stars, a new observation suggests. Shigehiro Nagataki (Deputy Program Director, iTHEMS) were interviewed in the article.

2021-07-27

Research News

## iTHEMS research activities and researchers were featured in "RIKEN 2021"

iTHEMS research activities and researchers were featured in several articles in "RIKEN 2021". p.8-9: A Theoretical Description of the Inside of an Evaporating Black Hole and a Closer Look at Its Tr...more

2021-07-20

Person of the Week

## Self-introduction: Yalong Cao

I am a mathematician doing research on algebraic geometry, differential geometry and mathematical physics. I am particularly interested in understanding Yang-Mills theory on Calabi-Yau 4-folds and how...more

2021-07-15

Paper of the Week

## Week 3, July 2021

Title: A mathematical model of network elastoplasticity Author: Hiroki Kodama, Ken'ichi Yoshida arXiv: http://arxiv.org/abs/2107.04310v1 Title: On regular $^*$-algebras of bounded linear operator...more

2021-07-15

Hot Topic

## iTHEMS Science Outreach Workshop 2021 was held on July 11-12, 2021

On July 11 and 12, we had Journalist in Residence Workshop 2021 on Zoom. This year as last year, Tambara Institute of Mathematical Sciences of the University of Tokyo is closed because of COVID-19 and...more

2021-07-12

Seminar Report

## iTHEMS Colloquium by Prof. Shingo Iwami on July 8, 2021

In his presentation for the iTHEMS Colloquium, Prof. Shingo Iwami discussed the foundational approach of his research: using a mathematical model-based approach to link experimental data from ever-imp...more

2021-07-08

Paper of the Week

## Week 2, July 2021

Title: The maximal negative ion of molecules in Schrödinger, Hartree-Fock, and Müller theories Author: Yukimi Goto arXiv: http://arxiv.org/abs/2107.01826v2 Title: Positivity vs. Lorentz-violation...more

2021-07-08

Event Schedule

## Events for the 3rd week of July 2021

Sunday, July 11, 10:00- iTHEMS Science Outreach Workshop 2021 Friday, July 16, 12:30- Coffee Meeting

2021-07-07

Seminar Report

## iTHEMS Theoretical Physics Seminar by Dr. Myungo Shim on July 5, 2021

On July 5, Myungo Shim from Kyung Hee University, Korea, gave the iTHEMS-physics seminar on a correspondence between three-dimensional gauge theories. He proposed a novel procedure of assigning a pair...more

2021-07-06

Seminar Report

## iTHEMS Math Seminar by Mr. Mizuki Oikawa on July 2, 2021

On July 2 Mizuki Oikawa gave a talk at the iTHEMS math seminar. He talked about the interaction among modular functions, conformal field theories and moonshine phenomena. Below is a recap of his talk....more

2021-07-06

Seminar Report

## iTHEMS Biology Seminar by Prof. Takahiro Sakaue on July 1, 2021

On July 1st, Prof. Takahiro Sakaue (Aoyama Gakuin University) gave us a talk about chromatin dynamics in C. elegans embryos. He first introduced important factors for gene expression such as phase sep...more

2021-07-02

Person of the Week

## Self-introduction: Etsuko Itou

I'm Etsuko Itou, a Postdoctoral Researcher (Concurrent) since July 2021. I'm interested in quantum field theories, in particular, quantum chromodynamics (QCD) in extreme regimes. Although QCD in the s...more

2021-07-01

Paper of the Week

## Week 5, June 2021

Title: Effects of finite-light-speed correction for the Coulomb interaction on nuclear binding energies and radii in spherical nuclei Author: Tomoya Naito arXiv: http://arxiv.org/abs/2106.14270v1 ...more

2021-07-01

Event Schedule

## Events for the 2nd week of July 2021

Monday, July 5, 13:00- iTHEMS Theoretical Physics Seminar Monday, July 5, 15:00- MACS Colloquium Thursday, July 8, 10:30- iTHEMS Colloquium Friday, July 9, 12:30- Coffee Meeting

2021-07-01

Seminar Report

## iTHEMS Theoretical Physics Seminar by Dr. Yuki Fujimoto on June 29, 2021

On June 29th, Yuki Fujimoto (The University of Tokyo) gave the iTHEMS-physics seminar on the equation of state (EoS) in the dense baryonic matter. The EoS of dense baryonic/quark matter is the crucial...more

2021-06-29

Seminar Report

## iTHEMS Theoretical Physics Seminar by Dr. Kanato Goto on June 21, 2021

On June 21st, Kanato Goto (RIKEN iTHEMS) gave the iTHEMS-physics seminar on the black hole information paradox. Recently, there is a proposal for the formula for a quantum black hole entropy, called t...more

2021-06-28

Seminar Report

## DMWG Seinar by Dr. Shirai on June 24, 2021

We are now living in the era of precision cosmology. The relic abundance of dark matter (DM) is now observationally well-determined, and its error is smaller than O(1)%. This means that the same or mu...more