OCAMI Joint Usage/Research: Large Scaled International Conference


The 5th Japan-Taiwan Joint Conference on Differential Geometry


▼Sponsors || ▼Travel Information || ▼Date || ▼Place || ▼Invited Speakers
▼Program || ▼Titles and Abstracts || ▼Registration || ▼Link || ▼Financial Supports

Aim & Scope

The purpose of the Japan Taiwan Joint Conference on Differential Geometry is to foster discussions and interactions between the differential geometry communities of Japan and Taiwan. It is held every two years. This is the 5th conference in the series. Previous conferences were held as follows:

The 4th Taiwan-Japan Joint Conference on Differential Geometry (6-9 November 2023, NCTS, National Taiwan University)
The 3rd Japan-Taiwan Joint Conference on Differential Geometry (1-3 November 2021, OCAMI, Osaka City University)
The 2nd Taiwan-Japan Joint Conference on Differential Geometry (1-5 November 2019 at NCTS, National Taiwan University, Taipei)
The 1st Japan-Taiwan Conference on Differential Geometry (13-17 December 2016, Waseda University, Tokyo)

NEWS

- Webpage is open. (April 27, 2025)
- Travel information is updated. (August 5, 2025)
- Registration is open. (August 16, 2025)
- Tips on accommodations is added in Japanese. Please see here. (August 24, 2025)
- All the speakers are updated. (September 7, 2025, revised on Octber 1, 2025)

Sponsors

- Osaka Central Advanced Mathematical Institute (MEXT Joint Usage/Research Center on Mathematics and Theoretical Physics)
- National Center of Theoretical Sciences (NCTS), National Taiwan University
- Waseda Institute for Mathematical Science (WIMS)
- Takamatsu Convention and Visitors Bureau

Travel Information

This information is mainly for international guests. There are mainly two ways to reach from Taipei to Takamatsu City. For more details, please see HERE. If you plan to travel from other cities in Taiwan, there are another possibilities. For more details, don't hesitate to ask Masashi Yasumoto. Contact information is available at the bottom.

Date

November 2 - 5, 2025
(Expected arrival day: November 1, departure day: November 5)

Place

Multipurpose Studio, IKODE Kawaramachi Art Station, Takamatsu City
Map (Google Map): HERE

Remark

We do not plan to broadcast talks online.

Organizers

Shu-Cheng Chang (National Taiwan University)
Qing-Ming Cheng (Chongqing University of Technology)
River Chiang (National Cheng Kung University)
Martin Guest (Waseda University)
Nan-Kuo Ho (National Tsing Hua University)
Miyuki Koiso (Kyushu University)
Yng-Ing Lee (National Taiwan University & NCTS)
Masahiro Morimoto (Tokyo Metropolitan University)
Yoshihiro Ohnita (Waseda University & OCAMI)
Takashi Sakai (Tokyo Metropolitan University)
Yuichiro Sato (Waseda University)
Chung-Jun Tsai (National Taiwan University)
Mao-Pei Tsui (National Taiwan University)
Sumio Yamada (Gakushuin University)
Masashi Yasumoto (Tokushima University)

Speakers

Plenary Speakers

Japanese side

Tomoki Fujii (Tokyo University of Science)
Masaya Hara (Anan College)
Yasushi Homma (Waseda University)
Isami Koga (Kyushu International University)
Keita Kunikawa (Tokushima University)
Makiko Mase (Tokyo Metropolitan University)
Wayne Rossman (Kobe University)
Sumio Yamada (Gakushuin University)

Taiwanese side

Nicolau Sarquis Aiex (National Taiwan Normal University)
Pak-Yeung Chan (National Tsing Hua University)
Tathagata Ghosh (National Center for Theoretical Sciences)
Wei-Ting Kao (Academia Sinica)
Tzu-Mo Kuo (National Center for Theoretical Sciences)
Sin-Hua Lai (National Chin-Yi University of Technology)
Chao-Ming Lin (National Taiwan University)
Yuan Shyong Ooi (National Center for Theoretical Sciences)

Short Communications

Japanese side

Naotoshi Fujihara (former Ph.D. student at Tokyo University of Science, Ph.D.)
Yudai Hateruma (Waseda University)

Taiwanese side

Chun-Kai Lien (National Taiwan University)
Ping-Hsiang Wu (National Taiwan Normal University)

Program

Here (PDF version)




Titles and Abstracts

Here (PDF version)

Registration (only for participants from Japan)

For participants from Tainwanese side, please kindly contact organizers from Taiwanese side.



Link

Osaka Central Advanced Mathematical Institute (OCAMI)
National Center of Theoretical Sciences, National Taiwan University (NCTS)

Financial Supports

- OCAMI (MEXT Joint Usage/Research Center on Mathematics and Theoretical Physics)  
- National Center of Theoretical Sciences, National Taiwan University  
- Takamatsu Convention and Visitors Bureau
- JSPS Grant-in-Aid for Scientific Research (A)   No.22H00094   Principal Investigator: Masa-Hiko Saito
Co-Investigator: Yoshihiro Ohnita
- JSPS Grant-in-Aid for Scientific Research (A)   No.23H00083   Principal Investigator: Martin Guest
Co-Investigators: Yoshihiro Ohnita, Takashi Sakai
- JSPS Grant-in-Aid for Scientific Research (C)   No.25K06978   Principal Investigator: Masashi Yasumoto
- JSPS Grant-in-Aid for Scientific Research (C)   No.23K03091   Principal Investigator: Wayne Rossman
Co-Investigator: Masashi Yasumoto
- JSPS Grant-in-Aid for JSPS Fellows   No.23KJ1793   Principal Investigator: Masahiro Morimoto

宿泊先について

今回の会場は，高松琴平電気鉄道「瓦町駅」すぐそばとなります．宿泊先をお探しの際は，瓦町駅周辺でお探しいただければ幸いです．また，また本研究集会が公益財団法人高松観光コンベンションビューローからの支援を受けて開催されることから，参加者の方々におかれましては，可能な限り同財団の補助金対象宿泊施設にご宿泊いただき，宿泊施設名をご教示いただきたく存じます．参考までに，瓦町駅周辺の宿泊施設を2つご紹介いたします．

(1) エクストールイン高松
(2) アパホテル高松瓦町

Contact (e-mail)

Masashi Yasumoto: yasumoto.masashi(at)tokushima-u.ac.jp

WARNING (IMPORTANT)

Please be careful if you receive an email from travelerpoint(dot)org, gtravelexpert[dot]com and travelhosting.co[dot]uk and possibly other senders. We will send any official email to you from organizers or secretaries.
We do not use any travel agency for booking your accommodation this time, and such an email is a SCAM.

Last updated on October 1, 2025