NCTS International Geometric Measure Theory Seminar

Focuses on the regularity and singularity theories for submanifolds of Riemannian manifolds and some of their applications

We envisage an event built around virtual presentations on progress in geometric measure theory by external speakers. Every researcher is free to register as participant and thus gain access to a virtual facility which is complete with lobby, lecture hall, and separate rooms with boards for discussion. Thus, it shall recreate the exchange possibilities found at international conferences. For registered participants, the discussion rooms and their boards can be used at all times.

Organizers :

Guido De Philippis (New York University, Courant Institute)

Ulrich Menne (National Taiwan Normal University & National Center for Theoretical Sciences)

Yoshihiro Tonegawa (Tokyo Institute of Technology)

Neshan Wickramasekera (University of Cambridge)


(Only those, who agreed to be listed on this page. )

Surname Given Name Affiliation

Aiex Nicolau University of Auckland

Akman Murat University of Essex

Alberti Giovanni University of Pisa

Allard William Duke University

Alvarado Enrique Washington State University

Antonelli Gioacchino Scuola Normale Superiore, Pisa

Arroyo Rabasa Adolfo The University of Warwick

Bate David University of Warwick

Bernardini Chiara University of Padova

Bi Yuchen University of Chinese Academy of Sciences

Blatt Simon University Salzburg

Bögelein Verena University of Salzburg

Buet Blanche Université Paris Saclay

Calisti Matteo The University of Bologna

Chen Yikai Rice University

Chou Hsin-Chuang National Taiwan Normal University

Clara Gabriel Vrije Universiteit Amsterdam

Das Tushar University of West London

De Fazio Paolo Università degli Studi di Parma

De Lellis Camillo Institute for Advanced Study

De Masi Luigi Scuola Internazionale Superiore di Studi Avanzati (SISSA)

De Pauw Thierry East China Normal University

Dierkes Ulrich Universität Duisburg-Essen

Ding Qi Shanghai Center for Mathematical Sciences, Fudan University

Domazakis Georgios University of Sussex

Duzaar Frank Department of Mathematics, University Erlangen-Nuremberg

Edelen Nick University of Notre Dame

Engelstein Max University of Minnesota

Fang Yangqin Huazhong University of Science and Technology

Fogagnolo Mattia Centro De Giorgi, Scuola Normale Superiore

Friedrich Alexander University of Copenhagen

Fu Joe University of Georgia

Fu Ser-Wei National Center of Theoretical Sciences, NTU

González Nevado Alejandro Universität Konstanz

Gasparetto Carlo Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste

Guijarro Luis Instituto de Ciencias Matemáticas, ICMAT

Guo Changyu Shandong University

Idu Kennedy Universita di Pisa

Han Xiaolong California State University, Northridge

Hardt Robert Rice University

Hiesmayr Fritz University College London

Hirsch Sven Duke University

Hong Han University of British Columbia

Huang Lan-Hsuan University of Connecticut

Julia Antoine Université Paris-Saclay

Kagaya Takashi Kyushu University

Katsuda Atsushi Kyushu university

Khaitan Ayush Penn State University

Kolasiński Sławomir Uniwersytet Warszawski

Krummel Brian University of Melbourne

Larson Simon California Institute of Technology

LeFloch Philippe G. Sorbonne Université

Leitner Marianne Trinity College Dublin & Dublin Institute for Advanced Studies

Li Martin Man-Chun The Chinese University of Hong Kong

Li Yangyang Princeton University

Lin Chun-Chi National Taiwan Normal University

Maggi Francesco University of Texas at Austin

Marchenko Ilya University of Notre Dame

Marchese Andrea University of Trento

Masnou Simon Claude Bernard University Lyon 1

Matsuo Shinichiroh Nagoya University

McCormick Stephen Uppsala University

Merlo Andrea Université Paris-Saclay

Mingione Giuseppe University of Parma

Minter Paul University of Cambridge

Miśkiewicz Michał Polish Academy of Sciences

Mizuno Masashi Nihon University

Morgan Frank Williams College

Nguyen Le Tram National Taiwan Normal University

Nguyen Tien Université libre de Bruxelles

Niang Alassane Cheikh Anta Diop University of Dakar (Senegal)

Ohsawa Takeo Nagoya University

Ooi Yuan Shyong National Taiwan University

Parise Davide University of Cambridge

Parker Phil Wichita State University

Paxton Laramie Marian University–Wisconsin

Perales Raquel Institute of Mathematics at the National Autonomous University of Mexico

Pluda Alessandra University of Pisa

Paolini Emanuele Università di Pisa

Preiss David University of Warwick

Radici Emanuela École polytechnique fédérale de Lausanne

Rindler Filip University of Warwick

Rupp Fabian Ulm University

Santilli Mario Augsburg Universität

Scharrer Christian University of Warwick

Schulze Felix University of Warwick

Skorobogatova Anna Princeton University

Semola Daniele University of Oxford

Sheng Hongyi University of California, Irvine

Smith Penny Lehigh university

Spolaor Luca University of California, San Diego

Stancu Alina Concordia University

Stona Thaicia University at Buffalo

Stufflebeam Hunter University of Pennsylvania

Stuvard Salvatore The University of Texas at Austin

Sung Chiung-Jue National Tsing Hua University

Takada Mayu Tokyo Institute of Technology

Takasao Keisuke Kyoto University

Tavakoli Alireza Uppsala University

Tian Wenchuan Michigan State University

Tomimatsu Eita Tokyo Institute of Technology

Toro Tatiana University of Washington

Tsui Ting-Wei National Taiwan Normal University

Tsukamoto Yuki Tokyo Institute of Technology

Vassilakis Theodore GENUSG LLC

Warren Micah University of Oregon

Wei Guofang University of California, Santa Barbara

White Brian Stanford University

Yan Junrong University of California, Santa Barbara

Yuan Yu University of Washington

Zarei Masoumeh University of Augsburg

Zhao Zihui University of Chicago

Zheng Yizhong The Graduate Center of the City University of New York

Zhou Jie Tsinghua University

Zhu Xingyu Georgia Tech

How to Join Us

Registration :

Fill out the registration form (allow one work day for processing ) and install the MS Teams App.

Wait to receive an email by Microsoft Teams (subject: You have been added as a guest to National Center for Theoretical Sciences in Microsoft Teams) after your form has been processed by our staff.

Click the link "Open Microsoft Teams" in the email by Microsoft Teams; we recommend to sign out from your current MS Teams account - if any - before.

● Try to enter the virtual venue at least one day before the talk; if you have trouble, please consult the Frequently Asked Questions.

Frequently Asked Questions

Q: MS Teams asks for a password but I did not receive a password.

A: If your email address is already registered with Microsoft (e.g., for MS Teams at your university or Skype), please enter this password. If you cannot reset the password, you can send us an alternative email address.

Q: A Self-Service-Azure AD-account cannot be created.

A: Some universities prevent the users to create a guest account at MS Teams elsewhere with their affiliation email address. In this case, please send us an alternative email address.

Virtual Venue :

Premises: a lobby, lecture hall, and six named discussion rooms: Almgren, Besicovitch, De Giorgi, Federer, Preiss, and Simon.

Software requirement: MS Teams App.

Capacity of virtual venue: 300 persons.

Instructions of MS Teams

-Basic Instructions-

Attending the lecture

Navigate to Teams International GMT Seminar Lecture Hall in MS Teams and click "Join."
(The link should also bring you to the lecture hall directly.)

Meeting conversation

In each meeting, you can send text messages to all its participants using the text bubble symbol.

-Further Instructions-


You can chat with any subset of the participants (e.g., if you wish to meet in a small group in one of the discussions rooms before or after the lecture). Navigate to "Chat" (top level hierarchy, same as Teams) and start a new chat with the writing pad symbol. It is also possible to use our tags (e.g., IT, staff, and organiser) in the "To:" field to send a chat message to all people with this tag.


If the speaker has uploaded files for you, they will be available in the tab "Files" within the lecture hall.

Discussion rooms

In each discussion room, there may be at most one meeting; click on "Meet" or the camera symbol to start one. If one is already ongoing, you see a camera symbol next to the room's name and there will be a message in the tab "Posts." Use the message to check who is in the room (hover over the persons' avatars) and, if you wish to join, press "Join." In each room, there is a virtual whiteboard (select the Board tab).


Participants may write on the boards in the lobby and in the discussion rooms. There, everyone's cursor will receive an automatically generated name. With a keyboard, we recommend to use the text boxes; with a pad, you can write with its pen.

More information

MS Teams introduction video (2:30 min, not all functions described there are activated in our case)
Miro boards navigation video (2:39 min)
Miro board pen instructions


Wednesday, 18 Nov. 2020, 6:00-7:00 a.m. (Taipei Time)

Note: We encourage everyone to employ the virtual venue to interact (through chat, meeting, and boards) before and after the talk.

Stable minimal hypersurfaces in $\R^{N+1+\ell}$ with singular set an arbitrary closed $K\subset\{0\}\times\R^{\ell}$.

Leon Simon (Stanford University)

With respect to a $C^{\infty}$ metric which is close to the standard Euclidean metric on $\R^{N+1+\ell}$, where $N\ge 7$ and $\ell\ge 1$ are given, we construct a class of embedded $(N+\ell)$-dimensional hypersurfaces (without boundary) which are minimal and strictly stable, and which have singular set equal to an arbitrary preassigned closed subset $K\subset\{0\}\times\R^{\ell}$.

Local Time:

San Francisco:
Tue., 17 Nov. 2020, 2 p.m.

New York:
Tue., 17 Nov. 2020, 5 p.m.

Tue., 17 Nov. 2020, 11 p.m.

Wed., 18 Nov. 2020, 7 a.m.

Wed., 18 Nov. 2020, 8:30 a.m.

Upcoming Talks:

Date Time Speaker

2021/1/20 TBA TBA

2021/3/17 TBA TBA

2021/5/19 TBA TBA

2021/7/21 TBA TBA

2021/9/15 TBA TBA