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KTH participates in international collaboration with MIT

Published Sep 24, 2025

Professor Fredrik Viklund from the Department of Mathematics at KTH is among the participants in the newly established Simons Collaboration on Probabilistic Paths to Quantum Field Theory. The goal is to use advanced probability theory to develop a mathematical foundation for quantum field theory – a theory that describes how particles and forces interact.

“I am honored and enthusiastic to begin this collaboration. The hope is that we can contribute to significant advances in mathematics and physics,” says Professor Fredrik Viklund.

The initiative includes a range of academic activities such as workshops, summer schools, and extended programs. Viklund traces his passion for mathematics back to his early school years.
“I was especially drawn to the universality of mathematics in nature — how it forms the foundation of all other natural sciences,” he explains.

Viklund will contribute with his expertise in analysis, probability theory, and stochastic geometry. In physics, it contributes to the understanding of quantum field theories and critical phenomena. In the longer term, the methods and models also have potential applications in other areas such as materials science to describe growth processes such as crystal formation.

The collaboration is led by the Massachusetts Institute of Technology (MIT) and involves researchers from several other top universities. It is funded with up to 2 million USD annually, through a grant from Simons Foundation International.

Our master's programme in Engineering Physics offers you an insight into the latest research on quantum physics, giving you the opportunity to help develop technologies for the future.

Text: Jelina Khoo

About the Project

The project is led by Professor Scott Sheffield from the Massachusetts Institute of Technology, in collaboration with researchers from several other leading universities. The goal is to explore new frontiers between mathematics and mathematical physics. The initiative is funded with up to SEK 19 million annually through a grant from Simons Foundation International.

Want to work with Mathematics?

At KTH, there are several programmes you can apply to if you are interested in working in or exploring research within mathematics or physics. For instance, take a look at the Engineering Mathematics or Engineering Physics programmes.

Studies in mathematics

Stockholm Mathematics Centre | SMC

About Quantum Field Theory

The concept is used by scientist to explain how very small things, like atoms and light particles, move and affect each other.One way to describe it is to imagine the entire universe filled with “fields”—like an invisible web—and tiny particles are like “waves” moving through that web.

Quantum field theory is a branch of physics used to describe how tiny particles—like electrons and photons—behave and interact. It combines quantum mechanics and special relativity and is used to understand how forces operate at the microscopic level. It supports high-energy and condensed matter physics with overwhelming experimental success. However, a deep mathematical understanding is still lacking. This remains one of the most important current challenges in mathematics and mathematical physics.