The IMU is an international non-governmental and non-profit scientific organization. IMU's objectives are:
To promote international cooperation in mathematics.
To support and assist the International Congress of Mathematicians and other international scientific meetings or conferences.
To encourage and support other international mathematical activities considered likely to contribute to the development of mathematical science in any of its aspects, pure, applied, or educational.
International Congress of Mathematicians (ICM) 2026 in Philadelphia, USA| 23–30 July 2026
20th IMU General Assembly in New York City, USA | 20–21 July 2026
At its meeting in Helsinki, Finland, in July 2022, the 19th IMU General Assembly voted to accept the bid from the United States of America to host ICM 2026 and the 20th IMU General Assembly, with Philadelphia as venue for the ICM and New York City for the General Assembly. The official website of the Congress is www.icm2026.org
As announced in IMU News 115, the ICM 2026 Program Committee Chair is Claire Voisin, CNRS, Institut de Mathématiques de Jussieu-Paris Rive Gauche.
International Congress of Mathematicians (ICM) 2022
The International Congress of Mathematicians 2022 (ICM 2022) took place between 6–14 July 2022 as a virtual event. Videos of the virtual ICM 2022 lectures are available to watch on the IMU's YouTube channel.
News from the community
IMU Reserve Fund
As decided at the 19th IMU General Assembly, an IMU Reserve Fund has been established (AO CL 24/2022) to assist Members whose dues are in arrears due to temporary extreme, adverse circumstances. The IMU accepts contributions to the fund from countries, organizations, and individuals. Further details are outlined in the regulations governing the fund.
Mathematical Congress of the Americas 2025
The Mathematical Congress of the Americas (MCA) 2025 will take place over 21-25 July 2025 in Miami, USA. Further information can be found via the congress website www.mca2025.org.
Abel Prize Laureate 2023 Announced
The Norwegian Academy of Science and Letters has announced Luis A. Caffarelli (University of Texas at Austin, USA) as the recipient of the Abel Prize for 2023.
2023 Tate Medal
Mathematical Physicist and CDC Member Mahouton Norbert Hounkonnou selected as the winner of the 2023 Tate Medal for International Leadership in Physics by the American Institute of Physics (AIP) in March 2021.
International Day of Mathematics
The fourth edition of the International Day of Mathematics (IDM) takes place on March 14, 2023. The theme for 2023 is Mathematics for Everyone. There will again be an international live celebration. The main event will be a series of short talks for a general audience, including lectures by the four 2022 Fields Medalists. The event can be accessed here.
Ramanujan Prize 2022 Announced
The 2022 DST-ICTP-IMU Ramanujan Prize for Young Mathematicians from Developing Countries has been awarded to Professor Mouhamed Moustapha Fall, Professor and President of the African Institute for Mathematical Sciences (AIMS) in Senegal.
IMU Elections for 2023-2026
Elections were held at the 19th IMU General Assembly in Helsinki on 3-4 July 2022 for the 2023-2026 term. An overview of the election results can be found in IMU News 114. The full report of the General Assembly is also now available.
New book on the history of the IMU!
The book "Framing Global Mathematics: The International Mathematical Union between Theorems and Politics” by Norbert Schappacher on the history of the IMU has now been published (Springer, Cham, 2022). The IMU solicited the writing of the book to mark the occasion of the centennial of the founding of the IMU in 1920. It is available in open access and can be freely downloaded here.
ICM 2022 and the IMU General Assembly
On 11 March 2022, IMU Secretary General Helge Holden announced to IMU Members via Circular Letter that the 19th IMU General Assembly will be held on 3-4 July 2022 in Helsinki, Finland, followed by the IMU Award Ceremony 2022 on 5 July 2022. As previously announced, it was confirmed that ICM 2022 will be held as a virtual event over 6-14 July 2022.
Statement from the IMU on the upcoming ICM 2022 and IMU General Assembly
A statement from the Executive Committee of the IMU on the upcoming ICM 2022 and IMU General Assembly was sent to IMU Members on 26 February 2022. The statement can be viewed here.
A public statement from the IMU
The Executive Committee of the IMU issued a further public statement in October 2021 in response to recent events in Russia. The statement can be viewed here.
Ad hoc Committee on Permissions
The IMU Executive Committee has created an ad hoc Committee on Permissions (CoP) to advise the IMU on a negotiating strategy regarding open access. Further information is available here.
IMU joins CCU as liaison organization
The IMU has been admitted as a liaison organization to the Consultative Committee for Units (CCU) of the International Committee for Weights and Measures (CIPM).
Carlos E. Kenig: The International Mathematical Union (IMU) at 100
IMU President Carlos E. Kenig's article The International Mathematical Union (IMU) at 100 appeared in Notices of the American Mathematical Society Volume 67, Number 3, pages 404–407 published in March 2020.
The article is posted here with the permission of the American Mathematical Society.
Further information on Notices of the AMS can be found at https://www.ams.org/notices.
COVID-19 Resource Website
In response to the COVID-19 pandemic and its effect on many aspects of our work and community, the IMU has launched a website with links to online resources covering general information, online seminars and mathematical research on the pandemic. For further details please click here.
Illustrated history of the ICM
The book "Mathematicians of the World, Unite!" by G. Curbera is now electronically available on the IMU website. For more information click here
Pending Business for IMU Adhering Organizations
Updated Contact Information
IMU members are requested to check their contact information, see AO CL 1/2023.
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IMU Membership Dues
IMU members are requested to settle current invoices and any dues in arrears in due time.
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