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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.
Registration for ICM2026 is open—visit the official website for registration details.
As announced in IMU News 115, the ICM 2026 Program Committee Chair is Claire Voisin, CNRS, Institut de Mathématiques de Jussieu-Paris Rive Gauche. Nominations of invited plenary and sectional speakers for ICM 2026 can be made until 1 November 2024 (see AO/CL 2/2024).
News from the community
IMU-Simons Research Fellowship Program for Developing Countries
The IMU's Commission for Developing Countries is proud to announce its new grant program the IMU-Simons Research Fellowship Program for Developing Countries, which is fully funded by the Simons Foundation as part of its Targeted Grants to Institutes scheme.
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.
Ramanujan Prize 2025 Announced
The ICTP and the IMU have awarded the 2025 Ramanujan Prize for young mathematicians from developing countries to Claudio Muñoz of the University of Chile, Chile.
Abel Prize Laureate 2025 Announced
The Norwegian Academy of Science and Letters has announced Masaki Kashiwara (Research Institute for Mathematical Sciences (RIMS), Kyoto University, and Kyoto University Institute for Advanced Study (KUIAS), Japan) as the recipient of the Abel Prize for 2025.
IMU Executive Committee Meeting 2025
The IMU Executive Committee held its annual meeting over March 8-9, 2025 in Cambridge, UK. The meeting was hosted by the Isaac Newton Institute for Mathematical Sciences (INI).
2026 Gruber Cosmology Prize
Nominations for the 2026 Gruber Cosmology Prize are being accepted until 15 December 2025. Nomination forms can be submitted
Simons Foundation
The IMU is saddened to learn of the passing of Jim Simons, co-founder of the Simons Foundation. The IMU is very grateful for the continuing support received from the Simons Foundation, especially for the IMU's activities in developing countries. Since 2013, the IMU has received very generous funding from the Simons Foundation for several travel research programs, crucial for our colleagues from developing countries, including the current IMU Simons Research Fellowship Program.
Crafoord Prize in Mathematics
ICM 2026 Program Committee Chair Claire Voisin (CNRS, Institut de Mathématiques de Jussieu-Paris Rive Gauche) has been awarded the Crafoord Prize in Mathematics 2024 by the Royal Swedish Academy of Sciences. You can watch the prize video on YouTube.
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.
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.
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.
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
IMU Newsletter
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Pending Business for IMU Adhering Organizations
IMU General Assembly 2026 Delegations
In preparation for the IMU General Assembly in July 2026, the Adhering Organizations of IMU Members are asked to appoint and certify their delegations to the Secretary General. See AO CL 9/2025.
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Deadline
Updated Contact Information
IMU members are requested to check their contact information, see AO CL 1/2025.
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Date
IMU Membership Dues
IMU members are requested to settle current invoices and any dues in arrears in due time.
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Due