Mahesh Kakde Wins 2026 Ramanujan Prize: Key Facts and Exam Context

Professor Mahesh Kakde of the Indian Institute of Science (IISc), Bengaluru, has been awarded the 2026 Ramanujan Prize by the International Centre for Theoretical Physics (ICTP) and the International Mathematical Union (IMU). The award recognises his work in algebraic number theory. As of 8 October 2026, the award announcement is complete. The sources supplied here say nothing about a presentation ceremony, so none is described.

What happened and when

The IISc Department of Mathematics news page lists the award under 30 September 2026. It says Kakde "has been awarded the 2026 Ramanujan Prize" by ICTP and IMU. GKToday, a secondary source, published its report on 7 October 2026. It says ICTP and IMU announced the award on 30 September 2026.

The same GKToday report says IISc announced the award on 7 October 2026. The department page instead dates its own item 30 September, so that claim is not corroborated here. For exam notes, 7 October is the date of the GKToday article. It is best treated as a publication date, not the date of the award.

Date check

About the Ramanujan Prize

According to GKToday, the Ramanujan Prize for Young Mathematicians from Developing Countries has been given every year since 2005. ICTP and the IMU administer it jointly. The same report gives these details:

• The cash award is US$10,000.
• The recipient must be under 45 and from a developing country.
• The prize is for outstanding research carried out under difficult conditions in a developing country.
• A committee of mathematicians chooses the recipient in consultation between the two organisations.

These prize rules come from one secondary source. Verify them against ICTP or IMU material before treating them as settled.

Kakde's research in plain terms

GKToday describes algebraic number theory as the use of structures such as fields and groups to study integers and their generalisations. It lists Kakde's recognised areas as noncommutative Iwasawa theory and work on the Gross-Stark and Brumer-Stark conjectures. It adds that his research has implications for Hilbert's 12th problem, one of the 23 problems David Hilbert presented in 1900.

The IISc page adds a related detail. In 2022, Kakde and Samit Dasgupta of Duke University presented their work on the Brumer-Stark conjecture and its refinements at the International Congress of Mathematicians. The department describes this as a proof of the original Brumer-Stark conjecture and many of its refinements.

Career and other recognitions

Education and position

GKToday says Kakde studied at the Indian Statistical Institute, Bangalore. It also says he earned a Master of Mathematics and a PhD in pure mathematics at the University of Cambridge, finishing the doctorate in 2008. The IISc department page welcomed him as a Professor in a news item dated 2 August 2019. GKToday says he joined IISc in 2019.

Earlier honours listed by the department

• Swarnajayanti Fellowship, Department of Science and Technology, for 2021-2026
• Fellow of the Indian Academy of Sciences (2023 item)
• Infosys Prize in Mathematical Sciences, 2022
• London Mathematical Society Whitehead Prize (2023 item)
• Frontiers of Science award, International Congress for Basic Science, Beijing (July 2023)
• Homi Bhabha Chair, Tata Education and Development Trust (December 2023 item)
• Fellow of the Indian National Science Academy (2024 item)
• Vigyan Yuva Shanti Swarup Bhatnagar Award 2024, Mathematical Sciences
• Royal Society and Wolfson Foundation Visiting Fellowship (11 September 2026 item)

GKToday also mentions the Asian Scientist 100 list for 2023. The department page does not confirm that.

Exam relevance

This is an Awards, Honours and Persons in News item. Possible study angles include who won, which body gives the prize, what the prize is for and where the winner works. Nothing here indicates that any exam will ask about it.

GKToday also lists some static background points:

• Srinivasa Ramanujan lived from 1887 to 1920.
• The Indian Statistical Institute was founded in Kolkata in 1931 by P. C. Mahalanobis.
• Hilbert presented his 23 problems at the International Congress of Mathematicians in Paris in 1900.

Quick answers

Who won the 2026 Ramanujan Prize?

Professor Mahesh Kakde of IISc Bengaluru, as per the IISc Mathematics department and GKToday.

Who gives the prize?

ICTP and the International Mathematical Union, which administer it jointly.

What are the evidence limits?

No ICTP or IMU primary page was supplied. The prize amount, age limit and eligibility rules rest on GKToday alone. The 7 October IISc announcement date is also unconfirmed. See the IISc department announcement for the department's own item.