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Masaki Kashiwara

The Abel Prize 2025: Masaki Kashiwara

The Abel Prize 2025 has been awarded to Masaki Kashiwara for contributions to algebraic analysis and representation theory. Find out what this means with our article!

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Pi

Easy as pi?

This article explores this most beautiful of numbers. Find out its definition, why its value can only ever be approximated, what it has to do with waves, and why it contains the history of the Universe. 

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pi cake

Happy pi day 2025!

We celebrate pi day with a look at the number itself as well as some of its fellow numbers we particularly like.

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Wheat in Pennsylvania in 1943 – Image in public domain

Post-quantum cryptography

Ingenious uses of maths have provided the key to internet security, but how can we secure our digital lives in the face of quantum computing?

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A Haystack in Nainital (Image by Perplexus – CC-BY-SA-4.0)

Lattice-based cryptography

Find out about lattice-based cryptography – the best candidate for keeping our networks safe in the face of attacks by quantum computers – in this brief introduction.

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A lattice generated by basis vectors that aren't at right-angles to each other

Maths in a minute: Lattices

A lattice may seem like a simple regular grid of points, but it leads to fascinating new research in maths and cryptography!